[PATCH] scsi: ufs: fix ifnullfree.cocci warnings

[kernel test robot <lkp@intel.com>]

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From: kernel test robot <lkp@intel.com>

drivers/scsi/ufs/ufshpb.c:152:3-9: WARNING: NULL check before some freeing functions is not needed.

 NULL check before some freeing functions is not needed.

 Based on checkpatch warning
 "kfree(NULL) is safe this check is probably not required"
 and kfreeaddr.cocci by Julia Lawall.

Generated by: scripts/coccinelle/free/ifnullfree.cocci

CC: Daejun Park <daejun7.park@samsung.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

url:    https://github.com/0day-ci/linux/commits/Daejun-Park/scsi-ufs-Introduce-HPB-feature/20210428-155927
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next

 ufshpb.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/scsi/ufs/ufshpb.c
+++ b/drivers/scsi/ufs/ufshpb.c
@@ -148,8 +148,7 @@ static int ufshpb_alloc_region_tbl(struc
 release_srgn_table:
 	for (i = 0; i < rgn_idx; i++) {
 		rgn = rgn_table + i;
-		if (rgn->srgn_tbl)
-			kvfree(rgn->srgn_tbl);
+		kvfree(rgn->srgn_tbl);
 	}
 	kvfree(rgn_table);
 	return ret;