On 04/14/2016 02:39 AM, Dan Carpenter wrote:
It's possible to use "err" without initializing it. If it happens to be
a 2 which is SCSI_DH_RETRY then that could cause a bug.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index 8eaed05..f3c994f 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -513,7 +513,8 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg)
struct alua_port_group *tmp_pg;
int len, k, off, valid_states = 0, bufflen = ALUA_RTPG_SIZE;
unsigned char *desc, *buff;
- unsigned err, retval;
+ unsigned int err = 0;
+ unsigned int retval;
unsigned int tpg_desc_tbl_off;
unsigned char orig_transition_tmo;
unsigned long flags;
Hello Dan,
The code that uses the 'err' variable occurs in a loop. I think the
initialization of 'err' should occur after the "retry:" label.
Bart.
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