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authorArjan van de Ven <arjan@infradead.org>2008-11-19 15:36:19 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-11-19 18:49:58 -0800
commitf652c521e0bec2e70cf123f47e80117a7e6ed139 (patch)
tree8c82d64a8b9221460f9fb14bd7d3c2c863dd264a /lib/scatterlist.c
parenta495a6d35a026826d54a69d01f373681e14f59ac (diff)
downloadlinux-stericsson-f652c521e0bec2e70cf123f47e80117a7e6ed139.tar.gz
lib/scatterlist.c: fix kunmap() argument in sg_miter_stop()
kunmap() takes as argument the struct page that orginally got kmap()'d, however the sg_miter_stop() function passed it the kernel virtual address instead, resulting in weird stuff. Somehow I ended up fixing this bug by accident while looking for a bug in the same area. Reported-by: kerneloops.org Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: Hugh Dickins <hugh@veritas.com> Cc: <stable@kernel.org> [2.6.27.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/scatterlist.c')
-rw-r--r--lib/scatterlist.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 8d2688ff1352..b7b449dafbe5 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -395,7 +395,7 @@ void sg_miter_stop(struct sg_mapping_iter *miter)
WARN_ON(!irqs_disabled());
kunmap_atomic(miter->addr, KM_BIO_SRC_IRQ);
} else
- kunmap(miter->addr);
+ kunmap(miter->page);
miter->page = NULL;
miter->addr = NULL;