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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2010-10-27 01:21:47 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 03:52:08 +0400
commit61ecdb801ef2cd28e32442383106d7837d76deac (patch)
tree3ec4f04e09cc4a9b76dafaaa0c4dfd07e825e632 /crypto/async_tx
parent2e30244a7cc1ff09013a1238d415b4076406388e (diff)
downloadlinux-61ecdb801ef2cd28e32442383106d7837d76deac.tar.xz
mm: strictly nested kmap_atomic()
Ensure kmap_atomic() usage is strictly nested Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Rik van Riel <riel@redhat.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Cc: David Howells <dhowells@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: David Miller <davem@davemloft.net> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'crypto/async_tx')
-rw-r--r--crypto/async_tx/async_memcpy.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c
index 0ec1fb69d4ea..518c22bd9562 100644
--- a/crypto/async_tx/async_memcpy.c
+++ b/crypto/async_tx/async_memcpy.c
@@ -83,8 +83,8 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset,
memcpy(dest_buf, src_buf, len);
- kunmap_atomic(dest_buf, KM_USER0);
kunmap_atomic(src_buf, KM_USER1);
+ kunmap_atomic(dest_buf, KM_USER0);
async_tx_sync_epilog(submit);
}