Commit 3fdf70ac authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Doug Ledford

IB/srp: Avoid using uninitialized variable

We might return res which is not initialized. Also
reduce code duplication by exporting srp_parse_tmo so
srp_tmo_set can reuse it.

Detected by Coverity.
Signed-off-by: default avatarSagi Grimberg <sagig@mellanox.com>
Signed-off-by: default avatarJenny Falkovich <jennyf@mellanox.com>
Reviewed-by: default avatarBart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent b356c1c1
......@@ -161,13 +161,10 @@ static int srp_tmo_set(const char *val, const struct kernel_param *kp)
{
int tmo, res;
if (strncmp(val, "off", 3) != 0) {
res = kstrtoint(val, 0, &tmo);
if (res)
goto out;
} else {
tmo = -1;
}
res = srp_parse_tmo(&tmo, val);
if (res)
goto out;
if (kp->arg == &srp_reconnect_delay)
res = srp_tmo_valid(tmo, srp_fast_io_fail_tmo,
srp_dev_loss_tmo);
......
......@@ -203,7 +203,7 @@ static ssize_t srp_show_tmo(char *buf, int tmo)
return tmo >= 0 ? sprintf(buf, "%d\n", tmo) : sprintf(buf, "off\n");
}
static int srp_parse_tmo(int *tmo, const char *buf)
int srp_parse_tmo(int *tmo, const char *buf)
{
int res = 0;
......@@ -214,6 +214,7 @@ static int srp_parse_tmo(int *tmo, const char *buf)
return res;
}
EXPORT_SYMBOL(srp_parse_tmo);
static ssize_t show_reconnect_delay(struct device *dev,
struct device_attribute *attr, char *buf)
......
......@@ -119,6 +119,7 @@ extern struct srp_rport *srp_rport_add(struct Scsi_Host *,
extern void srp_rport_del(struct srp_rport *);
extern int srp_tmo_valid(int reconnect_delay, int fast_io_fail_tmo,
int dev_loss_tmo);
int srp_parse_tmo(int *tmo, const char *buf);
extern int srp_reconnect_rport(struct srp_rport *rport);
extern void srp_start_tl_fail_timers(struct srp_rport *rport);
extern void srp_remove_host(struct Scsi_Host *);
......
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