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authorAndres Salomon <dilinger@queued.net>2009-04-01 02:25:29 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-01 19:59:31 +0400
commit909baf0092545e5c2082b045303e7a4b1d2a0522 (patch)
tree03af508a13bcd9cf2b41be2bfe4ae5a950f230bd /drivers/video/amba-clcd.c
parente98d9b407c248ba1419bed0823488d3cc71a2c31 (diff)
downloadlinux-909baf0092545e5c2082b045303e7a4b1d2a0522.tar.xz
amba-clcd: fix cmap memory leaks
- fix cmap leak in removal path - fix cmap leak when register_framebuffer fails Signed-off-by: Andres Salomon <dilinger@debian.org> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/amba-clcd.c')
-rw-r--r--drivers/video/amba-clcd.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c
index 4e046fed1380..61050ab14128 100644
--- a/drivers/video/amba-clcd.c
+++ b/drivers/video/amba-clcd.c
@@ -408,7 +408,9 @@ static int clcdfb_register(struct clcd_fb *fb)
/*
* Allocate colourmap.
*/
- fb_alloc_cmap(&fb->fb.cmap, 256, 0);
+ ret = fb_alloc_cmap(&fb->fb.cmap, 256, 0);
+ if (ret)
+ goto unmap;
/*
* Ensure interrupts are disabled.
@@ -426,6 +428,8 @@ static int clcdfb_register(struct clcd_fb *fb)
printk(KERN_ERR "CLCD: cannot register framebuffer (%d)\n", ret);
+ fb_dealloc_cmap(&fb->fb.cmap);
+ unmap:
iounmap(fb->regs);
free_clk:
clk_put(fb->clk);
@@ -485,6 +489,8 @@ static int clcdfb_remove(struct amba_device *dev)
clcdfb_disable(fb);
unregister_framebuffer(&fb->fb);
+ if (fb->fb.cmap.len)
+ fb_dealloc_cmap(&fb->fb.cmap);
iounmap(fb->regs);
clk_put(fb->clk);