diff mbox series

[1/2] scsi: qla2xxx: remove redundant NULL check

Message ID 1611306174-92627-1-git-send-email-abaci-bugfix@linux.alibaba.com
State Superseded
Headers show
Series [1/2] scsi: qla2xxx: remove redundant NULL check | expand

Commit Message

Abaci Team Jan. 22, 2021, 9:02 a.m. UTC
Fix below warnings reported by coccicheck:
./drivers/scsi/qla2xxx/qla_init.c:3371:2-7: WARNING: NULL check before
some freeing functions is not needed.
./drivers/scsi/qla2xxx/qla_init.c:7855:5-10: WARNING: NULL check before
some freeing functions is not needed.
./drivers/scsi/qla2xxx/qla_init.c:7916:2-7: WARNING: NULL check before
some freeing functions is not needed.
./drivers/scsi/qla2xxx/qla_init.c:8113:4-18: WARNING: NULL check before
some freeing functions is not needed.
./drivers/scsi/qla2xxx/qla_init.c:8174:2-7: WARNING: NULL check before
some freeing functions is not needed.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <abaci-bugfix@linux.alibaba.com>
---
 drivers/scsi/qla2xxx/qla_init.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

Comments

Himanshu Madhani Jan. 22, 2021, 6:37 p.m. UTC | #1
> On Jan 22, 2021, at 3:02 AM, Yang Li <abaci-bugfix@linux.alibaba.com> wrote:
> 
> Fix below warnings reported by coccicheck:
> ./drivers/scsi/qla2xxx/qla_init.c:3371:2-7: WARNING: NULL check before
> some freeing functions is not needed.
> ./drivers/scsi/qla2xxx/qla_init.c:7855:5-10: WARNING: NULL check before
> some freeing functions is not needed.
> ./drivers/scsi/qla2xxx/qla_init.c:7916:2-7: WARNING: NULL check before
> some freeing functions is not needed.
> ./drivers/scsi/qla2xxx/qla_init.c:8113:4-18: WARNING: NULL check before
> some freeing functions is not needed.
> ./drivers/scsi/qla2xxx/qla_init.c:8174:2-7: WARNING: NULL check before
> some freeing functions is not needed.
> 
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Yang Li <abaci-bugfix@linux.alibaba.com>
> ---
> drivers/scsi/qla2xxx/qla_init.c | 15 +++++----------
> 1 file changed, 5 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
> index dcc0f0d8..edd5dd1 100644
> --- a/drivers/scsi/qla2xxx/qla_init.c
> +++ b/drivers/scsi/qla2xxx/qla_init.c
> @@ -3371,8 +3371,7 @@ static void qla2x00_tmf_sp_done(srb_t *sp, int res)
> 				    "Re-Allocated (%d KB) and save firmware dump.\n",
> 				    dump_size / 1024);
> 			} else {
> -				if (ha->fw_dump)
> -					vfree(ha->fw_dump);
> +				vfree(ha->fw_dump);
> 				ha->fw_dump = fw_dump;
> 
> 				ha->fw_dump_len = ha->fw_dump_alloc_len =
> @@ -7855,8 +7854,7 @@ bool qla24xx_risc_firmware_invalid(uint32_t *dword)
> 	templates = (risc_attr & BIT_9) ? 2 : 1;
> 	ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
> 	for (j = 0; j < templates; j++, fwdt++) {
> -		if (fwdt->template)
> -			vfree(fwdt->template);
> +		vfree(fwdt->template);
> 		fwdt->template = NULL;
> 		fwdt->length = 0;
> 
> @@ -7916,8 +7914,7 @@ bool qla24xx_risc_firmware_invalid(uint32_t *dword)
> 	return QLA_SUCCESS;
> 
> failed:
> -	if (fwdt->template)
> -		vfree(fwdt->template);
> +	vfree(fwdt->template);
> 	fwdt->template = NULL;
> 	fwdt->length = 0;
> 
> @@ -8113,8 +8110,7 @@ bool qla24xx_risc_firmware_invalid(uint32_t *dword)
> 	templates = (risc_attr & BIT_9) ? 2 : 1;
> 	ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
> 	for (j = 0; j < templates; j++, fwdt++) {
> -		if (fwdt->template)
> -			vfree(fwdt->template);
> +		vfree(fwdt->template);
> 		fwdt->template = NULL;
> 		fwdt->length = 0;
> 
> @@ -8174,8 +8170,7 @@ bool qla24xx_risc_firmware_invalid(uint32_t *dword)
> 	return QLA_SUCCESS;
> 
> failed:
> -	if (fwdt->template)
> -		vfree(fwdt->template);
> +	vfree(fwdt->template);
> 	fwdt->template = NULL;
> 	fwdt->length = 0;
> 
> -- 
> 1.8.3.1
> 

Make Sense. 

Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>

--
Himanshu Madhani	 Oracle Linux Engineering
Martin K. Petersen Jan. 27, 2021, 4:54 a.m. UTC | #2
On Fri, 22 Jan 2021 17:02:53 +0800, Yang Li wrote:

> Fix below warnings reported by coccicheck:

> ./drivers/scsi/qla2xxx/qla_init.c:3371:2-7: WARNING: NULL check before

> some freeing functions is not needed.

> ./drivers/scsi/qla2xxx/qla_init.c:7855:5-10: WARNING: NULL check before

> some freeing functions is not needed.

> ./drivers/scsi/qla2xxx/qla_init.c:7916:2-7: WARNING: NULL check before

> some freeing functions is not needed.

> ./drivers/scsi/qla2xxx/qla_init.c:8113:4-18: WARNING: NULL check before

> some freeing functions is not needed.

> ./drivers/scsi/qla2xxx/qla_init.c:8174:2-7: WARNING: NULL check before

> some freeing functions is not needed.


Applied to 5.12/scsi-queue, thanks!

[1/2] scsi: qla2xxx: remove redundant NULL check
      https://git.kernel.org/mkp/scsi/c/18c05faf8ab1

-- 
Martin K. Petersen	Oracle Linux Engineering
diff mbox series

Patch

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index dcc0f0d8..edd5dd1 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -3371,8 +3371,7 @@  static void qla2x00_tmf_sp_done(srb_t *sp, int res)
 				    "Re-Allocated (%d KB) and save firmware dump.\n",
 				    dump_size / 1024);
 			} else {
-				if (ha->fw_dump)
-					vfree(ha->fw_dump);
+				vfree(ha->fw_dump);
 				ha->fw_dump = fw_dump;
 
 				ha->fw_dump_len = ha->fw_dump_alloc_len =
@@ -7855,8 +7854,7 @@  bool qla24xx_risc_firmware_invalid(uint32_t *dword)
 	templates = (risc_attr & BIT_9) ? 2 : 1;
 	ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
 	for (j = 0; j < templates; j++, fwdt++) {
-		if (fwdt->template)
-			vfree(fwdt->template);
+		vfree(fwdt->template);
 		fwdt->template = NULL;
 		fwdt->length = 0;
 
@@ -7916,8 +7914,7 @@  bool qla24xx_risc_firmware_invalid(uint32_t *dword)
 	return QLA_SUCCESS;
 
 failed:
-	if (fwdt->template)
-		vfree(fwdt->template);
+	vfree(fwdt->template);
 	fwdt->template = NULL;
 	fwdt->length = 0;
 
@@ -8113,8 +8110,7 @@  bool qla24xx_risc_firmware_invalid(uint32_t *dword)
 	templates = (risc_attr & BIT_9) ? 2 : 1;
 	ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
 	for (j = 0; j < templates; j++, fwdt++) {
-		if (fwdt->template)
-			vfree(fwdt->template);
+		vfree(fwdt->template);
 		fwdt->template = NULL;
 		fwdt->length = 0;
 
@@ -8174,8 +8170,7 @@  bool qla24xx_risc_firmware_invalid(uint32_t *dword)
 	return QLA_SUCCESS;
 
 failed:
-	if (fwdt->template)
-		vfree(fwdt->template);
+	vfree(fwdt->template);
 	fwdt->template = NULL;
 	fwdt->length = 0;