Merge tag 'v4.4-rc1' into patchwork

Linux 4.4-rc1

* tag 'v4.4-rc1': (12900 commits)
  Linux 4.4-rc1
  ARC: Fix silly typo in MAINTAINERS file
  ARC: cpu_relax() to be compiler barrier even for UP
  ARC: use ASL assembler mnemonic
  ARC: [arcompact] Handle bus error from userspace as Interrupt not exception
  ARC: remove extraneous header include
  f2fs: xattr simplifications
  squashfs: xattr simplifications
  9p: xattr simplifications
  xattr handlers: Pass handler to operations instead of flags
  jffs2: Add missing capability check for listing trusted xattrs
  hfsplus: Remove unused xattr handler list operations
  ubifs: Remove unused security xattr handler
  vfs: Fix the posix_acl_xattr_list return value
  vfs: Check attribute names in posix acl xattr handers
  mpt3sas: fix inline markers on non inline function declarations
  dax: fix __dax_pmd_fault crash
  Revert "drm/rockchip: Convert the probe function to the generic drm_of_component_probe()"
  drm: Don't oops in drm_calc_timestamping_constants() if drm_vblank_init() wasn't called
  ALSA: pci: depend on ZONE_DMA
  ...

26 files changed, 94 insertions, 61 deletions

diff --git a/drivers/media/dvb-frontends/horus3a.h b/drivers/media/dvb-frontends/horus3a.h
index b055319..c1e2d18 100644
--- a/drivers/media/dvb-frontends/horus3a.h
+++ b/drivers/media/dvb-frontends/horus3a.h
@@ -46,8 +46,8 @@ extern struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe,
 					const struct horus3a_config *config,
 					struct i2c_adapter *i2c);
 #else
-static inline struct dvb_frontend *horus3a_attach(
-					const struct cxd2820r_config *config,
+static inline struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe,
+					const struct horus3a_config *config,
 					struct i2c_adapter *i2c)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
diff --git a/drivers/media/dvb-frontends/lnbh25.h b/drivers/media/dvb-frontends/lnbh25.h
index 69f30e2..1f329ef 100644
--- a/drivers/media/dvb-frontends/lnbh25.h
+++ b/drivers/media/dvb-frontends/lnbh25.h
@@ -43,7 +43,7 @@ struct dvb_frontend *lnbh25_attach(
 	struct lnbh25_config *cfg,
 	struct i2c_adapter *i2c);
 #else
-static inline dvb_frontend *lnbh25_attach(
+static inline struct dvb_frontend *lnbh25_attach(
 	struct dvb_frontend *fe,
 	struct lnbh25_config *cfg,
 	struct i2c_adapter *i2c)
diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c
index ff31e7a..feeeb70 100644
--- a/drivers/media/dvb-frontends/m88ds3103.c
+++ b/drivers/media/dvb-frontends/m88ds3103.c
@@ -18,6 +18,27 @@
 
 static struct dvb_frontend_ops m88ds3103_ops;
 
+/* write single register with mask */
+static int m88ds3103_update_bits(struct m88ds3103_dev *dev,
+				u8 reg, u8 mask, u8 val)
+{
+	int ret;
+	u8 tmp;
+
+	/* no need for read if whole reg is written */
+	if (mask != 0xff) {
+		ret = regmap_bulk_read(dev->regmap, reg, &tmp, 1);
+		if (ret)
+			return ret;
+
+		val &= mask;
+		tmp &= ~mask;
+		val |= tmp;
+	}
+
+	return regmap_bulk_write(dev->regmap, reg, &val, 1);
+}
+
 /* write reg val table using reg addr auto increment */
 static int m88ds3103_wr_reg_val_tab(struct m88ds3103_dev *dev,
 		const struct m88ds3103_reg_val *tab, int tab_len)
@@ -394,10 +415,10 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
 			u8tmp2 = 0x00; /* 0b00 */
 			break;
 		}
-		ret = regmap_update_bits(dev->regmap, 0x22, 0xc0, u8tmp1 << 6);
+		ret = m88ds3103_update_bits(dev, 0x22, 0xc0, u8tmp1 << 6);
 		if (ret)
 			goto err;
-		ret = regmap_update_bits(dev->regmap, 0x24, 0xc0, u8tmp2 << 6);
+		ret = m88ds3103_update_bits(dev, 0x24, 0xc0, u8tmp2 << 6);
 		if (ret)
 			goto err;
 	}
@@ -455,13 +476,13 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
 			if (ret)
 				goto err;
 		}
-		ret = regmap_update_bits(dev->regmap, 0x9d, 0x08, 0x08);
+		ret = m88ds3103_update_bits(dev, 0x9d, 0x08, 0x08);
 		if (ret)
 			goto err;
 		ret = regmap_write(dev->regmap, 0xf1, 0x01);
 		if (ret)
 			goto err;
-		ret = regmap_update_bits(dev->regmap, 0x30, 0x80, 0x80);
+		ret = m88ds3103_update_bits(dev, 0x30, 0x80, 0x80);
 		if (ret)
 			goto err;
 	}
@@ -498,7 +519,7 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
 	switch (dev->cfg->ts_mode) {
 	case M88DS3103_TS_SERIAL:
 	case M88DS3103_TS_SERIAL_D7:
-		ret = regmap_update_bits(dev->regmap, 0x29, 0x20, u8tmp1);
+		ret = m88ds3103_update_bits(dev, 0x29, 0x20, u8tmp1);
 		if (ret)
 			goto err;
 		u8tmp1 = 0;
@@ -567,11 +588,11 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
 	if (ret)
 		goto err;
 
-	ret = regmap_update_bits(dev->regmap, 0x4d, 0x02, dev->cfg->spec_inv << 1);
+	ret = m88ds3103_update_bits(dev, 0x4d, 0x02, dev->cfg->spec_inv << 1);
 	if (ret)
 		goto err;
 
-	ret = regmap_update_bits(dev->regmap, 0x30, 0x10, dev->cfg->agc_inv << 4);
+	ret = m88ds3103_update_bits(dev, 0x30, 0x10, dev->cfg->agc_inv << 4);
 	if (ret)
 		goto err;
 
@@ -625,13 +646,13 @@ static int m88ds3103_init(struct dvb_frontend *fe)
 	dev->warm = false;
 
 	/* wake up device from sleep */
-	ret = regmap_update_bits(dev->regmap, 0x08, 0x01, 0x01);
+	ret = m88ds3103_update_bits(dev, 0x08, 0x01, 0x01);
 	if (ret)
 		goto err;
-	ret = regmap_update_bits(dev->regmap, 0x04, 0x01, 0x00);
+	ret = m88ds3103_update_bits(dev, 0x04, 0x01, 0x00);
 	if (ret)
 		goto err;
-	ret = regmap_update_bits(dev->regmap, 0x23, 0x10, 0x00);
+	ret = m88ds3103_update_bits(dev, 0x23, 0x10, 0x00);
 	if (ret)
 		goto err;
 
@@ -749,18 +770,18 @@ static int m88ds3103_sleep(struct dvb_frontend *fe)
 		utmp = 0x29;
 	else
 		utmp = 0x27;
-	ret = regmap_update_bits(dev->regmap, utmp, 0x01, 0x00);
+	ret = m88ds3103_update_bits(dev, utmp, 0x01, 0x00);
 	if (ret)
 		goto err;
 
 	/* sleep */
-	ret = regmap_update_bits(dev->regmap, 0x08, 0x01, 0x00);
+	ret = m88ds3103_update_bits(dev, 0x08, 0x01, 0x00);
 	if (ret)
 		goto err;
-	ret = regmap_update_bits(dev->regmap, 0x04, 0x01, 0x01);
+	ret = m88ds3103_update_bits(dev, 0x04, 0x01, 0x01);
 	if (ret)
 		goto err;
-	ret = regmap_update_bits(dev->regmap, 0x23, 0x10, 0x10);
+	ret = m88ds3103_update_bits(dev, 0x23, 0x10, 0x10);
 	if (ret)
 		goto err;
 
@@ -992,12 +1013,12 @@ static int m88ds3103_set_tone(struct dvb_frontend *fe,
 	}
 
 	utmp = tone << 7 | dev->cfg->envelope_mode << 5;
-	ret = regmap_update_bits(dev->regmap, 0xa2, 0xe0, utmp);
+	ret = m88ds3103_update_bits(dev, 0xa2, 0xe0, utmp);
 	if (ret)
 		goto err;
 
 	utmp = 1 << 2;
-	ret = regmap_update_bits(dev->regmap, 0xa1, reg_a1_mask, utmp);
+	ret = m88ds3103_update_bits(dev, 0xa1, reg_a1_mask, utmp);
 	if (ret)
 		goto err;
 
@@ -1047,7 +1068,7 @@ static int m88ds3103_set_voltage(struct dvb_frontend *fe,
 	voltage_dis ^= dev->cfg->lnb_en_pol;
 
 	utmp = voltage_dis << 1 | voltage_sel << 0;
-	ret = regmap_update_bits(dev->regmap, 0xa2, 0x03, utmp);
+	ret = m88ds3103_update_bits(dev, 0xa2, 0x03, utmp);
 	if (ret)
 		goto err;
 
@@ -1080,7 +1101,7 @@ static int m88ds3103_diseqc_send_master_cmd(struct dvb_frontend *fe,
 	}
 
 	utmp = dev->cfg->envelope_mode << 5;
-	ret = regmap_update_bits(dev->regmap, 0xa2, 0xe0, utmp);
+	ret = m88ds3103_update_bits(dev, 0xa2, 0xe0, utmp);
 	if (ret)
 		goto err;
 
@@ -1115,12 +1136,12 @@ static int m88ds3103_diseqc_send_master_cmd(struct dvb_frontend *fe,
 	} else {
 		dev_dbg(&client->dev, "diseqc tx timeout\n");
 
-		ret = regmap_update_bits(dev->regmap, 0xa1, 0xc0, 0x40);
+		ret = m88ds3103_update_bits(dev, 0xa1, 0xc0, 0x40);
 		if (ret)
 			goto err;
 	}
 
-	ret = regmap_update_bits(dev->regmap, 0xa2, 0xc0, 0x80);
+	ret = m88ds3103_update_bits(dev, 0xa2, 0xc0, 0x80);
 	if (ret)
 		goto err;
 
@@ -1152,7 +1173,7 @@ static int m88ds3103_diseqc_send_burst(struct dvb_frontend *fe,
 	}
 
 	utmp = dev->cfg->envelope_mode << 5;
-	ret = regmap_update_bits(dev->regmap, 0xa2, 0xe0, utmp);
+	ret = m88ds3103_update_bits(dev, 0xa2, 0xe0, utmp);
 	if (ret)
 		goto err;
 
@@ -1194,12 +1215,12 @@ static int m88ds3103_diseqc_send_burst(struct dvb_frontend *fe,
 	} else {
 		dev_dbg(&client->dev, "diseqc tx timeout\n");
 
-		ret = regmap_update_bits(dev->regmap, 0xa1, 0xc0, 0x40);
+		ret = m88ds3103_update_bits(dev, 0xa1, 0xc0, 0x40);
 		if (ret)
 			goto err;
 	}
 
-	ret = regmap_update_bits(dev->regmap, 0xa2, 0xc0, 0x80);
+	ret = m88ds3103_update_bits(dev, 0xa2, 0xc0, 0x80);
 	if (ret)
 		goto err;
 
@@ -1435,13 +1456,13 @@ static int m88ds3103_probe(struct i2c_client *client,
 		goto err_kfree;
 
 	/* sleep */
-	ret = regmap_update_bits(dev->regmap, 0x08, 0x01, 0x00);
+	ret = m88ds3103_update_bits(dev, 0x08, 0x01, 0x00);
 	if (ret)
 		goto err_kfree;
-	ret = regmap_update_bits(dev->regmap, 0x04, 0x01, 0x01);
+	ret = m88ds3103_update_bits(dev, 0x04, 0x01, 0x01);
 	if (ret)
 		goto err_kfree;
-	ret = regmap_update_bits(dev->regmap, 0x23, 0x10, 0x10);
+	ret = m88ds3103_update_bits(dev, 0x23, 0x10, 0x10);
 	if (ret)
 		goto err_kfree;
 
diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c
index 81788c5..821a8f4 100644
--- a/drivers/media/dvb-frontends/si2168.c
+++ b/drivers/media/dvb-frontends/si2168.c
@@ -502,6 +502,10 @@ static int si2168_init(struct dvb_frontend *fe)
 		/* firmware is in the new format */
 		for (remaining = fw->size; remaining > 0; remaining -= 17) {
 			len = fw->data[fw->size - remaining];
+			if (len > SI2168_ARGLEN) {
+				ret = -EINVAL;
+				break;
+			}
 			memcpy(cmd.args, &fw->data[(fw->size - remaining) + 1], len);
 			cmd.wlen = len;
 			cmd.rlen = 1;
diff --git a/drivers/media/i2c/ov9650.c b/drivers/media/i2c/ov9650.c
index e691bba..1ee6a55 100644
--- a/drivers/media/i2c/ov9650.c
+++ b/drivers/media/i2c/ov9650.c
@@ -1133,7 +1133,7 @@ static int __ov965x_set_frame_interval(struct ov965x *ov965x,
 		if (mbus_fmt->width != iv->size.width ||
 		    mbus_fmt->height != iv->size.height)
 			continue;
-		err = abs64((u64)(iv->interval.numerator * 10000) /
+		err = abs((u64)(iv->interval.numerator * 10000) /
 			    iv->interval.denominator - req_int);
 		if (err < min_err) {
 			fiv = iv;
diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-spi.c b/drivers/media/i2c/s5c73m3/s5c73m3-spi.c
index 17ac441..72ef9f9 100644
--- a/drivers/media/i2c/s5c73m3/s5c73m3-spi.c
+++ b/drivers/media/i2c/s5c73m3/s5c73m3-spi.c
@@ -150,7 +150,6 @@ int s5c73m3_register_spi_driver(struct s5c73m3 *state)
 	spidrv->remove = s5c73m3_spi_remove;
 	spidrv->probe = s5c73m3_spi_probe;
 	spidrv->driver.name = S5C73M3_SPI_DRV_NAME;
-	spidrv->driver.owner = THIS_MODULE;
 	spidrv->driver.of_match_table = s5c73m3_spi_ids;
 
 	return spi_register_driver(spidrv);
diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c
index bc1c960..35759a9 100644
--- a/drivers/media/pci/cx23885/cx23885-core.c
+++ b/drivers/media/pci/cx23885/cx23885-core.c
@@ -1992,7 +1992,7 @@ static int cx23885_initdev(struct pci_dev *pci_dev,
 		(unsigned long long)pci_resource_start(pci_dev, 0));
 
 	pci_set_master(pci_dev);
-	if (!pci_dma_supported(pci_dev, 0xffffffff)) {
+	if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
 		printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
 		err = -EIO;
 		goto fail_context;
diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c
index 559f829..dbc695f 100644
--- a/drivers/media/pci/cx25821/cx25821-core.c
+++ b/drivers/media/pci/cx25821/cx25821-core.c
@@ -1319,7 +1319,7 @@ static int cx25821_initdev(struct pci_dev *pci_dev,
 		dev->pci_lat, (unsigned long long)dev->base_io_addr);
 
 	pci_set_master(pci_dev);
-	if (!pci_dma_supported(pci_dev, 0xffffffff)) {
+	if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
 		pr_err("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
 		err = -EIO;
 		goto fail_irq;
diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c
index 57ddf8a..0ed1b65 100644
--- a/drivers/media/pci/cx88/cx88-alsa.c
+++ b/drivers/media/pci/cx88/cx88-alsa.c
@@ -890,7 +890,7 @@ static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci,
 		return err;
 	}
 
-	if (!pci_dma_supported(pci,DMA_BIT_MASK(32))) {
+	if (!pci_set_dma_mask(pci,DMA_BIT_MASK(32))) {
 		dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n",core->name);
 		err = -EIO;
 		cx88_core_put(core, pci);
diff --git a/drivers/media/pci/cx88/cx88-mpeg.c b/drivers/media/pci/cx88/cx88-mpeg.c
index 9961b22..9db7767 100644
--- a/drivers/media/pci/cx88/cx88-mpeg.c
+++ b/drivers/media/pci/cx88/cx88-mpeg.c
@@ -393,7 +393,7 @@ static int cx8802_init_common(struct cx8802_dev *dev)
 	if (pci_enable_device(dev->pci))
 		return -EIO;
 	pci_set_master(dev->pci);
-	if (!pci_dma_supported(dev->pci,DMA_BIT_MASK(32))) {
+	if (!pci_set_dma_mask(dev->pci,DMA_BIT_MASK(32))) {
 		printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name);
 		return -EIO;
 	}
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index f3b12db..0de1ad5 100644
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -1314,7 +1314,7 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
 	       dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
 
 	pci_set_master(pci_dev);
-	if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
+	if (!pci_set_dma_mask(pci_dev,DMA_BIT_MASK(32))) {
 		printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
 		err = -EIO;
 		goto fail_core;
diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
index 83c90d3..60b2d46 100644
--- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
+++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
@@ -810,7 +810,7 @@ static int netup_unidvb_initdev(struct pci_dev *pci_dev,
 		"%s(): board vendor 0x%x, revision 0x%x\n",
 		__func__, board_vendor, board_revision);
 	pci_set_master(pci_dev);
-	if (!pci_dma_supported(pci_dev, 0xffffffff)) {
+	if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
 		dev_err(&pci_dev->dev,
 			"%s(): 32bit PCI DMA is not supported\n", __func__);
 		goto pci_detect_err;
diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c b/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c
index d659f59..f33c0de 100644
--- a/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c
+++ b/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c
@@ -80,11 +80,9 @@ irqreturn_t netup_spi_interrupt(struct netup_spi *spi)
 	u16 reg;
 	unsigned long flags;
 
-	if (!spi) {
-		dev_dbg(&spi->master->dev,
-			"%s(): SPI not initialized\n", __func__);
+	if (!spi)
 		return IRQ_NONE;
-	}
+
 	spin_lock_irqsave(&spi->lock, flags);
 	reg = readw(&spi->regs->control_stat);
 	if (!(reg & NETUP_SPI_CTRL_IRQ)) {
@@ -234,11 +232,9 @@ void netup_spi_release(struct netup_unidvb_dev *ndev)
 	unsigned long flags;
 	struct netup_spi *spi = ndev->spi;
 
-	if (!spi) {
-		dev_dbg(&spi->master->dev,
-			"%s(): SPI not initialized\n", __func__);
+	if (!spi)
 		return;
-	}
+
 	spin_lock_irqsave(&spi->lock, flags);
 	reg = readw(&spi->regs->control_stat);
 	writew(reg | NETUP_SPI_CTRL_IRQ, &spi->regs->control_stat);
diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c
index 87f39f9..e79d63e 100644
--- a/drivers/media/pci/saa7134/saa7134-core.c
+++ b/drivers/media/pci/saa7134/saa7134-core.c
@@ -951,7 +951,7 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
 	       pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
 	       dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
 	pci_set_master(pci_dev);
-	if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
+	if (!pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) {
 		pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
 		err = -EIO;
 		goto fail1;
diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c
index 3206a82..8f36b48 100644
--- a/drivers/media/pci/saa7164/saa7164-core.c
+++ b/drivers/media/pci/saa7164/saa7164-core.c
@@ -1264,7 +1264,7 @@ static int saa7164_initdev(struct pci_dev *pci_dev,
 
 	pci_set_master(pci_dev);
 	/* TODO */
-	if (!pci_dma_supported(pci_dev, 0xffffffff)) {
+	if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
 		printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
 		err = -EIO;
 		goto fail_irq;
diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
index 1bd2fd4..4432fd6 100644
--- a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
+++ b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
@@ -1297,7 +1297,7 @@ static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev,
 	solo_enc->vidq.ops = &solo_enc_video_qops;
 	solo_enc->vidq.mem_ops = &vb2_dma_sg_memops;
 	solo_enc->vidq.drv_priv = solo_enc;
-	solo_enc->vidq.gfp_flags = __GFP_DMA32;
+	solo_enc->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM;
 	solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
 	solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf);
 	solo_enc->vidq.lock = &solo_enc->lock;
diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2.c b/drivers/media/pci/solo6x10/solo6x10-v4l2.c
index 26df903..f7ce493 100644
--- a/drivers/media/pci/solo6x10/solo6x10-v4l2.c
+++ b/drivers/media/pci/solo6x10/solo6x10-v4l2.c
@@ -678,7 +678,7 @@ int solo_v4l2_init(struct solo_dev *solo_dev, unsigned nr)
 	solo_dev->vidq.mem_ops = &vb2_dma_contig_memops;
 	solo_dev->vidq.drv_priv = solo_dev;
 	solo_dev->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
-	solo_dev->vidq.gfp_flags = __GFP_DMA32;
+	solo_dev->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM;
 	solo_dev->vidq.buf_struct_size = sizeof(struct solo_vb2_buf);
 	solo_dev->vidq.lock = &solo_dev->lock;
 	ret = vb2_queue_init(&solo_dev->vidq);
diff --git a/drivers/media/pci/tw68/tw68-core.c b/drivers/media/pci/tw68/tw68-core.c
index 04706cc..8c5655d 100644
--- a/drivers/media/pci/tw68/tw68-core.c
+++ b/drivers/media/pci/tw68/tw68-core.c
@@ -257,7 +257,7 @@ static int tw68_initdev(struct pci_dev *pci_dev,
 		dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
 		dev->pci_lat, (u64)pci_resource_start(pci_dev, 0));
 	pci_set_master(pci_dev);
-	if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
+	if (!pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) {
 		pr_info("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
 		err = -EIO;
 		goto fail1;
diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c
index 4c3293d..46642ef 100644
--- a/drivers/media/pci/tw68/tw68-video.c
+++ b/drivers/media/pci/tw68/tw68-video.c
@@ -979,7 +979,7 @@ int tw68_video_init2(struct tw68_dev *dev, int video_nr)
 	dev->vidq.ops = &tw68_video_qops;
 	dev->vidq.mem_ops = &vb2_dma_sg_memops;
 	dev->vidq.drv_priv = dev;
-	dev->vidq.gfp_flags = __GFP_DMA32;
+	dev->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM;
 	dev->vidq.buf_struct_size = sizeof(struct tw68_buf);
 	dev->vidq.lock = &dev->lock;
 	dev->vidq.min_buffers_needed = 2;
diff --git a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
index e358b91..8490a65 100644
--- a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
+++ b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
@@ -1097,7 +1097,7 @@ static int load_slim_core_fw(const struct firmware *fw, void *context)
 	Elf32_Ehdr *ehdr;
 	Elf32_Phdr *phdr;
 	u8 __iomem *dst;
-	int err, i;
+	int err = 0, i;
 
 	if (!fw || !context)
 		return -EINVAL;
@@ -1106,7 +1106,7 @@ static int load_slim_core_fw(const struct firmware *fw, void *context)
 	phdr = (Elf32_Phdr *)(fw->data + ehdr->e_phoff);
 
 	/* go through the available ELF segments */
-	for (i = 0; i < ehdr->e_phnum && !err; i++, phdr++) {
+	for (i = 0; i < ehdr->e_phnum; i++, phdr++) {
 
 		/* Only consider LOAD segments */
 		if (phdr->p_type != PT_LOAD)
@@ -1192,7 +1192,6 @@ err:
 
 static int load_c8sectpfe_fw_step1(struct c8sectpfei *fei)
 {
-	int ret;
 	int err;
 
 	dev_info(fei->dev, "Loading firmware: %s\n", FIRMWARE_MEMDMA);
@@ -1207,7 +1206,7 @@ static int load_c8sectpfe_fw_step1(struct c8sectpfei *fei)
 	if (err) {
 		dev_err(fei->dev, "request_firmware_nowait err: %d.\n", err);
 		complete_all(&fei->fw_ack);
-		return ret;
+		return err;
 	}
 
 	return 0;
diff --git a/drivers/media/rc/ir-hix5hd2.c b/drivers/media/rc/ir-hix5hd2.c
index 1c087cb..d0549fb 100644
--- a/drivers/media/rc/ir-hix5hd2.c
+++ b/drivers/media/rc/ir-hix5hd2.c
@@ -257,7 +257,7 @@ static int hix5hd2_ir_probe(struct platform_device *pdev)
 		goto clkerr;
 
 	if (devm_request_irq(dev, priv->irq, hix5hd2_ir_rx_interrupt,
-			     IRQF_NO_SUSPEND, pdev->name, priv) < 0) {
+			     0, pdev->name, priv) < 0) {
 		dev_err(dev, "IRQ %d register failed\n", priv->irq);
 		ret = -EINVAL;
 		goto regerr;
diff --git a/drivers/media/tuners/msi001.c b/drivers/media/tuners/msi001.c
index b533240..3a12ef3 100644
--- a/drivers/media/tuners/msi001.c
+++ b/drivers/media/tuners/msi001.c
@@ -513,7 +513,6 @@ MODULE_DEVICE_TABLE(spi, msi001_id_table);
 static struct spi_driver msi001_driver = {
 	.driver = {
 		.name	= "msi001",
-		.owner	= THIS_MODULE,
 		.suppress_bind_attrs = true,
 	},
 	.probe		= msi001_probe,
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c
index 5073821..ce157ed 100644
--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -166,6 +166,10 @@ static int si2157_init(struct dvb_frontend *fe)
 
 	for (remaining = fw->size; remaining > 0; remaining -= 17) {
 		len = fw->data[fw->size - remaining];
+		if (len > SI2157_ARGLEN) {
+			dev_err(&client->dev, "Bad firmware length\n");
+			goto err_release_firmware;
+		}
 		memcpy(cmd.args, &fw->data[(fw->size - remaining) + 1], len);
 		cmd.wlen = len;
 		cmd.rlen = 1;
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index eaf4663..5a503a6 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -34,6 +34,14 @@ static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
 	unsigned int pipe;
 	u8 requesttype;
 
+	mutex_lock(&d->usb_mutex);
+
+	if (req->size > sizeof(dev->buf)) {
+		dev_err(&d->intf->dev, "too large message %u\n", req->size);
+		ret = -EINVAL;
+		goto err_mutex_unlock;
+	}
+
 	if (req->index & CMD_WR_FLAG) {
 		/* write */
 		memcpy(dev->buf, req->data, req->size);
@@ -50,14 +58,17 @@ static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
 	dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
 			req->index, dev->buf, req->size);
 	if (ret < 0)
-		goto err;
+		goto err_mutex_unlock;
 
 	/* read request, copy returned data to return buf */
 	if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
 		memcpy(req->data, dev->buf, req->size);
 
+	mutex_unlock(&d->usb_mutex);
+
 	return 0;
-err:
+err_mutex_unlock:
+	mutex_unlock(&d->usb_mutex);
 	dev_dbg(&d->intf->dev, "failed=%d\n", ret);
 	return ret;
 }
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.h b/drivers/media/usb/dvb-usb-v2/rtl28xxu.h
index 9f6115a..1380629 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.h
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.h
@@ -71,7 +71,7 @@
 
 
 struct rtl28xxu_dev {
-	u8 buf[28];
+	u8 buf[128];
 	u8 chip_id;
 	u8 tuner;
 	char *tuner_name;
diff --git a/drivers/media/v4l2-core/Kconfig b/drivers/media/v4l2-core/Kconfig
index 82876a6..9beece0 100644
--- a/drivers/media/v4l2-core/Kconfig
+++ b/drivers/media/v4l2-core/Kconfig
@@ -47,7 +47,7 @@ config V4L2_MEM2MEM_DEV
 # Used by LED subsystem flash drivers
 config V4L2_FLASH_LED_CLASS
 	tristate "V4L2 flash API for LED flash class devices"
-	depends on VIDEO_V4L2_SUBDEV_API
+	depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
 	depends on LEDS_CLASS_FLASH
 	---help---
 	  Say Y here to enable V4L2 flash API support for LED flash