commit 04483e150d412f5861a00c30581df7ba90a816e7
author Corentin Chary <corentincj@iksaif.net> Thu Feb 24 23:47:08 2011 +0100
committer Blue Swirl <blauwirbel@gmail.com> Fri Feb 25 17:19:02 2011 +0000
tree ed7433377a3bdadab6f7f3511c6035491f49b7b8
parent 89d2d3af518879ddfca367e56627229a09e90352

bitops: fix test_and_change_bit()

./bitops.h:192: warning: ‘old’ is used uninitialized in this function

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

bitops.h

diff --git a/bitops.h b/bitops.h
index ae7bcb1..e2b9df3 100644
--- a/bitops.h
+++ b/bitops.h
@@ -187,7 +187,7 @@
 {
 	unsigned long mask = BIT_MASK(nr);
 	unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
-	unsigned long old;
+	unsigned long old = *p;
 
 	*p = old ^ mask;
 	return (old & mask) != 0;