Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d343d7f9792ac1790757cb35a419b8b0b5210917
Commit: d343d7f9792ac1790757cb35a419b8b0b5210917
Parent: 18e16f9c954c6a931ee97584014c826255e0bdaa
Author: Hans Verkuil <[EMAIL PROTECTED]>
AuthorDate: Sun Oct 14 11:17:14 2007 -0300
Committer: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
CommitDate: Mon Oct 22 12:01:47 2007 -0200
V4L/DVB (6343): ivtvfb: check return value of unregister_framebuffer
Prevent unloading the framebuffer if it is still in use.
Signed-off-by: Hans Verkuil <[EMAIL PROTECTED]>
Signed-off-by: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
---
drivers/media/video/ivtv/ivtvfb.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/media/video/ivtv/ivtvfb.c
b/drivers/media/video/ivtv/ivtvfb.c
index 0abca6b..4a7512d 100644
--- a/drivers/media/video/ivtv/ivtvfb.c
+++ b/drivers/media/video/ivtv/ivtvfb.c
@@ -1169,9 +1169,12 @@ static void ivtvfb_cleanup(void)
for (i = 0; i < ivtv_cards_active; i++) {
itv = ivtv_cards[i];
if (itv && (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) &&
itv->osd_info) {
+ if
(unregister_framebuffer(&itv->osd_info->ivtvfb_info)) {
+ IVTVFB_WARN("Framebuffer %d is in use, cannot
unload\n", i);
+ return;
+ }
IVTVFB_DEBUG_INFO("Unregister framebuffer %d\n", i);
ivtvfb_blank(FB_BLANK_POWERDOWN,
&itv->osd_info->ivtvfb_info);
- unregister_framebuffer(&itv->osd_info->ivtvfb_info);
ivtvfb_release_buffers(itv);
itv->osd_video_pbase = 0;
}
-
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