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authorAmol Lad <amol@verismonetworks.com>2006-12-08 02:40:05 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-08 08:29:04 -0800
commit9cf2014aad58076aa22faacf27742d9610dea05d (patch)
tree084a3ba88e3da3045b7a2a51787abce66ad57c70
parente4bf051b4f3121c5abdde836b1429e4a4459adb4 (diff)
[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>
-rw-r--r--drivers/video/stifb.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/stifb.c b/drivers/video/stifb.c
index 3e16e2d9d55..69f3b264a22 100644
--- a/drivers/video/stifb.c
+++ b/drivers/video/stifb.c
@@ -1291,6 +1291,7 @@ out_err3:
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);
}