The patch titled
s3c-fb: fix resource releasing on error during probing
has been added to the -mm tree. Its filename is
s3c-fb-fix-resource-releasing-on-error-during-probing.patch
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See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: s3c-fb: fix resource releasing on error during probing
From: Krzysztof Helt <krzysztof.h1@xxxxx>
All resources are released in s3c_fb_win_release so remove other places of
resources releasing. Add releasing of an allocated fb_info structure as
well.
Signed-off-by: Krzysztof Helt <krzysztof.h1@xxxxx>
Cc: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Cc: Ben Dooks <ben-linux@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/s3c-fb.c | 22 +++++++++-------------
1 file changed, 9 insertions(+), 13 deletions(-)
diff -puN drivers/video/s3c-fb.c~s3c-fb-fix-resource-releasing-on-error-during-probing drivers/video/s3c-fb.c
--- a/drivers/video/s3c-fb.c~s3c-fb-fix-resource-releasing-on-error-during-probing
+++ a/drivers/video/s3c-fb.c
@@ -725,9 +725,12 @@ static void s3c_fb_free_memory(struct s3
*/
static void s3c_fb_release_win(struct s3c_fb *sfb, struct s3c_fb_win *win)
{
- fb_dealloc_cmap(&win->fbinfo->cmap);
- unregister_framebuffer(win->fbinfo);
- s3c_fb_free_memory(sfb, win);
+ if (win->fbinfo) {
+ unregister_framebuffer(win->fbinfo);
+ fb_dealloc_cmap(&win->fbinfo->cmap);
+ s3c_fb_free_memory(sfb, win);
+ framebuffer_release(win->fbinfo);
+ }
}
/**
@@ -778,7 +781,7 @@ static int __devinit s3c_fb_probe_win(st
ret = s3c_fb_alloc_memory(sfb, win);
if (ret) {
dev_err(sfb->dev, "failed to allocate display memory\n");
- goto err_framebuffer;
+ return ret;
}
/* setup the r/b/g positions for the window's palette */
@@ -801,7 +804,7 @@ static int __devinit s3c_fb_probe_win(st
ret = s3c_fb_check_var(&fbinfo->var, fbinfo);
if (ret < 0) {
dev_err(sfb->dev, "check_var failed on initial video params\n");
- goto err_alloc_mem;
+ return ret;
}
/* create initial colour map */
@@ -821,20 +824,13 @@ static int __devinit s3c_fb_probe_win(st
ret = register_framebuffer(fbinfo);
if (ret < 0) {
dev_err(sfb->dev, "failed to register framebuffer\n");
- goto err_alloc_mem;
+ return ret;
}
*res = win;
dev_info(sfb->dev, "window %d: fb %s\n", win_no, fbinfo->fix.id);
return 0;
-
-err_alloc_mem:
- s3c_fb_free_memory(sfb, win);
-
-err_framebuffer:
- unregister_framebuffer(fbinfo);
- return ret;
}
/**
_
Patches currently in -mm which might be from krzysztof.h1@xxxxx are
revert-fbdev-fix-info-lock-deadlock-in-fbcon_event_notify.patch
revert-fbdev-uninline-lock_fb_info.patch
revert-fbmem-fix-fb_info-lock-and-mm-mmap_sem-circular-locking-dependency.patch
revert-fbmem-dont-call-copy_from-to_user-with-mutex-held.patch
fbdev-move-back-to-bkl-solution.patch
linux-next.patch
intelfb-fix-color-map-setting-with-an-lvds-display.patch
chipsfb-remove-redundant-assignment.patch
igafb-use-framebuffer_alloc-to-allocate-fb_info-struct.patch
offb-use-framebuffer_alloc-to-allocate-fb_info-struct.patch
acornfb-remove-fb_mmap-function.patch
s3c-fb-fix-resource-releasing-on-error-during-probing.patch
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