summaryrefslogtreecommitdiffstats
path: root/drivers/media/radio/si4713-i2c.c
diff options
context:
space:
mode:
authorRussell King <rmk+kernel@arm.linux.org.uk>2010-08-06 18:13:54 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-08-06 18:13:54 +0100
commit11e4afb49b7fa1fc8e1ffd850c1806dd86a08204 (patch)
tree9e57efcb106ae912f7bec718feb3f8ec607559bb /drivers/media/radio/si4713-i2c.c
parent162500b3a3ff39d941d29db49b41a16667ae44f0 (diff)
parent9b2a606d3898fcb2eedb6faded3bb37549590ac4 (diff)
Merge branches 'gemini' and 'misc' into devel
Diffstat (limited to 'drivers/media/radio/si4713-i2c.c')
-rw-r--r--drivers/media/radio/si4713-i2c.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/media/radio/si4713-i2c.c b/drivers/media/radio/si4713-i2c.c
index 6a0028eb461..fc7f4b79464 100644
--- a/drivers/media/radio/si4713-i2c.c
+++ b/drivers/media/radio/si4713-i2c.c
@@ -26,6 +26,7 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
+#include <linux/slab.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-common.h>
@@ -1008,8 +1009,10 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev,
goto exit;
}
rval = copy_from_user(ps_name, control->string, len);
- if (rval < 0)
+ if (rval) {
+ rval = -EFAULT;
goto exit;
+ }
ps_name[len] = '\0';
if (strlen(ps_name) % vqc.step) {
@@ -1030,8 +1033,10 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev,
goto exit;
}
rval = copy_from_user(radio_text, control->string, len);
- if (rval < 0)
+ if (rval) {
+ rval = -EFAULT;
goto exit;
+ }
radio_text[len] = '\0';
if (strlen(radio_text) % vqc.step) {
@@ -1366,6 +1371,8 @@ static int si4713_read_econtrol_string(struct si4713_device *sdev,
}
rval = copy_to_user(control->string, sdev->rds_info.ps_name,
strlen(sdev->rds_info.ps_name) + 1);
+ if (rval)
+ rval = -EFAULT;
break;
case V4L2_CID_RDS_TX_RADIO_TEXT:
@@ -1376,6 +1383,8 @@ static int si4713_read_econtrol_string(struct si4713_device *sdev,
}
rval = copy_to_user(control->string, sdev->rds_info.radio_text,
strlen(sdev->rds_info.radio_text) + 1);
+ if (rval)
+ rval = -EFAULT;
break;
default: