diff options
| author |   Javed Hasan <jhasan@marvell.com> | 2020-07-29 01:18:23 -0700 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2020-08-04 20:56:56 -0400 |
| commit | ec007ef40abb6a164d148b0dc19789a7a2de2cc8 (patch) | |
| tree | feaedfedfb3abc1206d2b854737cc9c78cddab5b /drivers/scsi/libfc | |
| parent | scsi: fcoe: Memory leak fix in fcoe_sysfs_fcf_del() (diff) | |
| download | linux-dev-ec007ef40abb6a164d148b0dc19789a7a2de2cc8.tar.xz linux-dev-ec007ef40abb6a164d148b0dc19789a7a2de2cc8.zip | |
scsi: libfc: Free skb in fc_disc_gpn_id_resp() for valid cases
In fc_disc_gpn_id_resp(), skb is supposed to get freed in all cases except
for PTR_ERR. However, in some cases it didn't.
This fix is to call fc_frame_free(fp) before function returns.
Link: https://lore.kernel.org/r/20200729081824.30996-2-jhasan@marvell.com
Reviewed-by: Girish Basrur <gbasrur@marvell.com>
Reviewed-by: Santosh Vernekar <svernekar@marvell.com>
Reviewed-by: Saurav Kashyap <skashyap@marvell.com>
Reviewed-by: Shyam Sundar <ssundar@marvell.com>
Signed-off-by: Javed Hasan <jhasan@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/libfc')
| -rw-r--r-- | drivers/scsi/libfc/fc_disc.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index 19721db23283..d8cbc9c0e766 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -581,8 +581,12 @@ static void fc_disc_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp, if (PTR_ERR(fp) == -FC_EX_CLOSED) goto out; - if (IS_ERR(fp)) - goto redisc; + if (IS_ERR(fp)) { + mutex_lock(&disc->disc_mutex); + fc_disc_restart(disc); + mutex_unlock(&disc->disc_mutex); + goto out; + } cp = fc_frame_payload_get(fp, sizeof(*cp)); if (!cp) @@ -609,7 +613,7 @@ static void fc_disc_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp, new_rdata->disc_id = disc->disc_id; fc_rport_login(new_rdata); } - goto out; + goto free_fp; } rdata->disc_id = disc->disc_id; mutex_unlock(&rdata->rp_mutex); @@ -626,6 +630,8 @@ redisc: fc_disc_restart(disc); mutex_unlock(&disc->disc_mutex); } +free_fp: + fc_frame_free(fp); out: kref_put(&rdata->kref, fc_rport_destroy); if (!IS_ERR(fp)) |