Gcc incorrectly detects that two variables in aha1542_queuecommand might
be used without an initialization:
scsi/aha1542.c: In function 'aha1542_queuecommand':
scsi/aha1542.c:382:16: error: 'cptr' may be used uninitialized in this function
[-Werror=maybe-uninitialized]
scsi/aha1542.c:379:11: error: 'sg_count' may be used uninitialized in this
function [-Werror=maybe-uninitialized]
The only user of these is doing the same check that the assigment
has, so it is actually guaranteed to work. Adding an "else" clause
with a fake initialization shuts up the warning.
Signed-off-by: Arnd Bergmann <a...@arndb.de>
---
drivers/scsi/aha1542.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c
index 5b8b2937a3fe..7db448ec8beb 100644
--- a/drivers/scsi/aha1542.c
+++ b/drivers/scsi/aha1542.c
@@ -403,6 +403,9 @@ static int aha1542_queuecommand(struct Scsi_Host *sh,
struct scsi_cmnd *cmd)
cptr = kmalloc(sizeof(*cptr) * sg_count, GFP_KERNEL | GFP_DMA);
if (!cptr)
return SCSI_MLQUEUE_HOST_BUSY;
+ } else {
+ sg_count = 0;
+ cptr = NULL;
}
/* Use the outgoing mailboxes in a round-robin fashion, because this
--
2.7.0
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