scsi: bfa: release allocated memory in case of error

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@gmail.com
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c
index 6d21bc6a7713c69606377fe930121a9aa20f032e..e37ab2425e1a1d2f85202e9c83cc3d48119407cb 100644 (file)
--- 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 *shost)
        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);