[PATCH 4.4 24/28] scsi: bfa: release allocated memory in case of error

[Greg Kroah-Hartman]

From: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>

commit 0e62395da2bd5166d7c9e14cbc7503b256a34cb0 upstream.

In bfad_im_get_stats if bfa_port_get_stats fails, allocated memory needs to
be released.

Link: https://lore.kernel.org/r/20190910234417.22151-1-navid.emamdoost@xxxxxxxxx
Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Cc: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/scsi/bfa/bfad_attr.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/scsi/bfa/bfad_attr.c
+++ b/drivers/scsi/bfa/bfad_attr.c
@@ -282,8 +282,10 @@ bfad_im_get_stats(struct Scsi_Host *shos
 	rc = bfa_port_get_stats(BFA_FCPORT(&bfad->bfa),
 				fcstats, bfad_hcb_comp, &fcomp);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
-	if (rc != BFA_STATUS_OK)
+	if (rc != BFA_STATUS_OK) {
+		kfree(fcstats);
 		return NULL;
+	}
 
 	wait_for_completion(&fcomp.comp);