Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c1c2680d922cd36338cf3efaf4ce0067c3e26eb1
Commit: c1c2680d922cd36338cf3efaf4ce0067c3e26eb1
Parent: af75453860569b6110fbf43c7113f52f698d37a3
Author: Mike Isely <[EMAIL PROTECTED]>
AuthorDate: Sat Jan 20 00:30:23 2007 -0300
Committer: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
CommitDate: Wed Feb 21 13:34:40 2007 -0200
V4L/DVB (5089): Pvrusb2: V4L EXT_CTRLS fixup
Attempts to enumerate or operate on a group of EXT_CTRLS where the
group size is zero is OK; don't fail on such operations. At least one
application uses this to probe for the existence of this API so let it
succeed.
Signed-off-by: Mike Isely <[EMAIL PROTECTED]>
Signed-off-by: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
---
drivers/media/video/pvrusb2/pvrusb2-v4l2.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
index 5b1260c..91c4225 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
@@ -636,6 +636,7 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct
file *file,
struct v4l2_ext_control *ctrl;
unsigned int idx;
int val;
+ ret = 0;
for (idx = 0; idx < ctls->count; idx++) {
ctrl = ctls->controls + idx;
ret = pvr2_ctrl_get_value(
@@ -658,6 +659,7 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct
file *file,
(struct v4l2_ext_controls *)arg;
struct v4l2_ext_control *ctrl;
unsigned int idx;
+ ret = 0;
for (idx = 0; idx < ctls->count; idx++) {
ctrl = ctls->controls + idx;
ret = pvr2_ctrl_set_value(
@@ -680,6 +682,7 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct
file *file,
unsigned int idx;
/* For the moment just validate that the requested control
actually exists. */
+ ret = 0;
for (idx = 0; idx < ctls->count; idx++) {
ctrl = ctls->controls + idx;
pctl = pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id);
-
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