Messages in this thread Patch in this message | | | Date | Wed, 18 May 2011 17:06:05 +0200 | From | Samuel Thibault <> | Subject | [PATCH]: Fix Ultrastor asm snippet |
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Commit 1292500b replaced
"=m" (*field) : "1" (*field)
with
"=m" (*field) :
with comment "The following patch fixes it by using the '+' operator on the (*field) operand, marking it as read-write to gcc." '+' was actually forgotten. This really puts it.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
diff --git a/drivers/scsi/ultrastor.c b/drivers/scsi/ultrastor.c index 0571ef9..dc076e0 100644 --- a/drivers/scsi/ultrastor.c +++ b/drivers/scsi/ultrastor.c @@ -306,7 +306,7 @@ static inline int find_and_clear_bit_16(unsigned long *field) "0: bsfw %1,%w0\n\t" "btr %0,%1\n\t" "jnc 0b" - : "=&r" (rv), "=m" (*field) :); + : "=&r" (rv), "+m" (*field) :); return rv; }
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