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path: root/drivers/scsi/ultrastor.c
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Diffstat (limited to 'drivers/scsi/ultrastor.c')
-rw-r--r--drivers/scsi/ultrastor.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/scsi/ultrastor.c b/drivers/scsi/ultrastor.c
index 1d3b02976d74..75eca6b22db5 100644
--- a/drivers/scsi/ultrastor.c
+++ b/drivers/scsi/ultrastor.c
@@ -298,9 +298,16 @@ static inline int find_and_clear_bit_16(unsigned long *field)
{
int rv;
- if (*field == 0) panic("No free mscp");
- asm("xorl %0,%0\n0:\tbsfw %1,%w0\n\tbtr %0,%1\n\tjnc 0b"
- : "=&r" (rv), "=m" (*field) : "1" (*field));
+ if (*field == 0)
+ panic("No free mscp");
+
+ asm volatile (
+ "xorl %0,%0\n\t"
+ "0: bsfw %1,%w0\n\t"
+ "btr %0,%1\n\t"
+ "jnc 0b"
+ : "=&r" (rv), "=m" (*field) :);
+
return rv;
}