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authorJani Nikula <ext-jani.1.nikula@nokia.com>2010-03-18 10:32:06 +0100
committerTomi Valkeinen <tomi.valkeinen@nokia.com>2010-05-18 14:14:29 +0300
commit27b67c92a30967e3a9e9ea082d4ca4bc6882f879 (patch)
treec5186c7b62b552839265581d7c6903cb86394902 /drivers/video/omap2/omapfb
parent238a41329ca208d1170962260babb428b6e222c2 (diff)
OMAP: DSS2: check lock_fb_info() return value
Give up if lock_fb_info() fails, following the same convention as other lock_fb_info() users. Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Diffstat (limited to 'drivers/video/omap2/omapfb')
-rw-r--r--drivers/video/omap2/omapfb/omapfb-ioctl.c3
-rw-r--r--drivers/video/omap2/omapfb/omapfb-sysfs.c21
2 files changed, 16 insertions, 8 deletions
diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
index 2c0f01c44aab..9c7361871d78 100644
--- a/drivers/video/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -183,7 +183,8 @@ int omapfb_update_window(struct fb_info *fbi,
struct omapfb2_device *fbdev = ofbi->fbdev;
int r;
- lock_fb_info(fbi);
+ if (!lock_fb_info(fbi))
+ return -ENODEV;
omapfb_lock(fbdev);
r = omapfb_update_window_nolock(fbi, x, y, w, h);
diff --git a/drivers/video/omap2/omapfb/omapfb-sysfs.c b/drivers/video/omap2/omapfb/omapfb-sysfs.c
index e10445017985..5179219128bd 100644
--- a/drivers/video/omap2/omapfb/omapfb-sysfs.c
+++ b/drivers/video/omap2/omapfb/omapfb-sysfs.c
@@ -57,7 +57,8 @@ static ssize_t store_rotate_type(struct device *dev,
if (rot_type != OMAP_DSS_ROT_DMA && rot_type != OMAP_DSS_ROT_VRFB)
return -EINVAL;
- lock_fb_info(fbi);
+ if (!lock_fb_info(fbi))
+ return -ENODEV;
r = 0;
if (rot_type == ofbi->rotation_type)
@@ -105,7 +106,8 @@ static ssize_t store_mirror(struct device *dev,
if (mirror != 0 && mirror != 1)
return -EINVAL;
- lock_fb_info(fbi);
+ if (!lock_fb_info(fbi))
+ return -ENODEV;
ofbi->mirror = mirror;
@@ -137,7 +139,8 @@ static ssize_t show_overlays(struct device *dev,
ssize_t l = 0;
int t;
- lock_fb_info(fbi);
+ if (!lock_fb_info(fbi))
+ return -ENODEV;
omapfb_lock(fbdev);
for (t = 0; t < ofbi->num_overlays; t++) {
@@ -195,7 +198,8 @@ static ssize_t store_overlays(struct device *dev, struct device_attribute *attr,
if (buf[len - 1] == '\n')
len = len - 1;
- lock_fb_info(fbi);
+ if (!lock_fb_info(fbi))
+ return -ENODEV;
omapfb_lock(fbdev);
if (len > 0) {
@@ -317,7 +321,8 @@ static ssize_t show_overlays_rotate(struct device *dev,
ssize_t l = 0;
int t;
- lock_fb_info(fbi);
+ if (!lock_fb_info(fbi))
+ return -ENODEV;
for (t = 0; t < ofbi->num_overlays; t++) {
l += snprintf(buf + l, PAGE_SIZE - l, "%s%d",
@@ -345,7 +350,8 @@ static ssize_t store_overlays_rotate(struct device *dev,
if (buf[len - 1] == '\n')
len = len - 1;
- lock_fb_info(fbi);
+ if (!lock_fb_info(fbi))
+ return -ENODEV;
if (len > 0) {
char *p = (char *)buf;
@@ -416,7 +422,8 @@ static ssize_t store_size(struct device *dev, struct device_attribute *attr,
size = PAGE_ALIGN(simple_strtoul(buf, NULL, 0));
- lock_fb_info(fbi);
+ if (!lock_fb_info(fbi))
+ return -ENODEV;
for (i = 0; i < ofbi->num_overlays; i++) {
if (ofbi->overlays[i]->info.enabled) {

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