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[PATCH] ioremap balanced with iounmap for drivers/video/stifb 

ioremap must be balanced by an iounmap and failing to do so can result in a
memory leak.

Signed-off-by: Amol Lad <amol@verismonetworks.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Helge Deller <deller@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Amol Lad 2006-12-08 02:40:05 -08:00 committed by Linus Torvalds
parent e4bf051b4f
commit 9cf2014aad
1 changed files with 3 additions and 0 deletions
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3
drivers/video/stifb.c
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@ -1291,6 +1291,7 @@ stifb_init_fb(struct sti_struct *sti, int bpp_pref)
out_err2:
release_mem_region(fix->smem_start, fix->smem_len);
out_err1:
iounmap(info->screen_base);
fb_dealloc_cmap(&info->cmap);
out_err0:
kfree(fb);
@ -1364,6 +1365,8 @@ stifb_cleanup(void)
unregister_framebuffer(sti->info);
release_mem_region(info->fix.mmio_start, info->fix.mmio_len);
release_mem_region(info->fix.smem_start, info->fix.smem_len);
if (info->screen_base)
iounmap(info->screen_base);
fb_dealloc_cmap(&info->cmap);
kfree(info);
}