diff options
-rw-r--r-- | drivers/media/dvb/dvb-core/dvb_ca_en50221.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c index ef259a0..cb97e6b 100644 --- a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c @@ -1318,8 +1318,11 @@ static ssize_t dvb_ca_en50221_io_write(struct file *file, fragbuf[0] = connection_id; fragbuf[1] = ((fragpos + fraglen) < count) ? 0x80 : 0x00; - if ((status = copy_from_user(fragbuf + 2, buf + fragpos, fraglen)) != 0) + status = copy_from_user(fragbuf + 2, buf + fragpos, fraglen); + if (status) { + status = -EFAULT; goto exit; + } timeout = jiffies + HZ / 2; written = 0; @@ -1494,8 +1497,11 @@ static ssize_t dvb_ca_en50221_io_read(struct file *file, char __user * buf, hdr[0] = slot; hdr[1] = connection_id; - if ((status = copy_to_user(buf, hdr, 2)) != 0) + status = copy_to_user(buf, hdr, 2); + if (status) { + status = -EFAULT; goto exit; + } status = pktlen; exit: |