From ddc518d9f88d7cf82bd974737ce977193785335d Mon Sep 17 00:00:00 2001
From: Krzysztof Helt <krzysztof.h1@wp.pl>
Date: Tue, 16 Jun 2009 15:34:33 -0700
Subject: [PATCH] s3c-fb: fix resource releasing on error during probing
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@wp.pl>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
drivers/video/s3c-fb.c | 22 +++++++++-------------
1 file changed, 9 insertions(+), 13 deletions(-)
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 53bca288e836..43680e545427 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -725,9 +725,12 @@ static void s3c_fb_free_memory(struct s3c_fb *sfb, struct s3c_fb_win *win)
*/
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(struct s3c_fb *sfb, unsigned int win_no,
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(struct s3c_fb *sfb, unsigned int win_no,
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(struct s3c_fb *sfb, unsigned int win_no,
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;
}
/**