[PATCH] kfree cleanup: drivers/media

This is the drivers/media/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in drivers/media/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: Johannes Stezenbach <js@linuxtv.org>
Cc: Michael Krufky <mkrufky@m1k.net>
Cc: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Acked-by : Manu Abraham <manu@linuxtv.org>
Acked-by: Andreas Oberritter <obi@linuxtv.org>
Acked-by: Wilson Michaels <wilsonmichaels@earthlink.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

6 files changed, 9 insertions, 15 deletions

diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c
index 34a837a..b3c9d73 100644
--- a/drivers/media/dvb/bt8xx/dst.c
+++ b/drivers/media/dvb/bt8xx/dst.c
@@ -1331,9 +1331,7 @@ struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_ad
 {
 	/* check if the ASIC is there */
 	if (dst_probe(state) < 0) {
-		if (state)
-			kfree(state);
-
+		kfree(state);
 		return NULL;
 	}
 	/* determine settings based on type */
@@ -1349,9 +1347,7 @@ struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_ad
 		break;
 	default:
 		dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
-		if (state)
-			kfree(state);
-
+		kfree(state);
 		return NULL;
 	}
 
diff --git a/drivers/media/dvb/frontends/dvb_dummy_fe.c b/drivers/media/dvb/frontends/dvb_dummy_fe.c
index 794be52..645946a 100644
--- a/drivers/media/dvb/frontends/dvb_dummy_fe.c
+++ b/drivers/media/dvb/frontends/dvb_dummy_fe.c
@@ -148,7 +148,7 @@ struct dvb_frontend* dvb_dummy_fe_qpsk_attach()
 	return &state->frontend;
 
 error:
-	if (state) kfree(state);
+	kfree(state);
 	return NULL;
 }
 
@@ -171,7 +171,7 @@ struct dvb_frontend* dvb_dummy_fe_qam_attach()
 	return &state->frontend;
 
 error:
-	if (state) kfree(state);
+	kfree(state);
 	return NULL;
 }
 
diff --git a/drivers/media/dvb/frontends/l64781.c b/drivers/media/dvb/frontends/l64781.c
index faaad1a..19b4bf7 100644
--- a/drivers/media/dvb/frontends/l64781.c
+++ b/drivers/media/dvb/frontends/l64781.c
@@ -559,7 +559,8 @@ struct dvb_frontend* l64781_attach(const struct l64781_config* config,
 	return &state->frontend;
 
 error:
-	if (reg0x3e >= 0) l64781_writereg (state, 0x3e, reg0x3e);  /* restore reg 0x3e */
+	if (reg0x3e >= 0)
+		l64781_writereg (state, 0x3e, reg0x3e);  /* restore reg 0x3e */
 	kfree(state);
 	return NULL;
 }
diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c
index 8dde72b..7852b83 100644
--- a/drivers/media/dvb/frontends/lgdt330x.c
+++ b/drivers/media/dvb/frontends/lgdt330x.c
@@ -731,8 +731,7 @@ struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
 	return &state->frontend;
 
 error:
-	if (state)
-		kfree(state);
+	kfree(state);
 	dprintk("%s: ERROR\n",__FUNCTION__);
 	return NULL;
 }
diff --git a/drivers/media/dvb/frontends/mt312.c b/drivers/media/dvb/frontends/mt312.c
index e384549..9c67f40 100644
--- a/drivers/media/dvb/frontends/mt312.c
+++ b/drivers/media/dvb/frontends/mt312.c
@@ -677,8 +677,7 @@ struct dvb_frontend* mt312_attach(const struct mt312_config* config,
 	return &state->frontend;
 
 error:
-	if (state)
-		kfree(state);
+	kfree(state);
 	return NULL;
 }
 
diff --git a/drivers/media/dvb/frontends/or51132.c b/drivers/media/dvb/frontends/or51132.c
index 817b044..fc74c40 100644
--- a/drivers/media/dvb/frontends/or51132.c
+++ b/drivers/media/dvb/frontends/or51132.c
@@ -577,8 +577,7 @@ struct dvb_frontend* or51132_attach(const struct or51132_config* config,
 	return &state->frontend;
 
 error:
-	if (state)
-		kfree(state);
+	kfree(state);
 	return NULL;
 }