mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
* [PATCH] scsi: aic7xxx: Remove NULL check before kfree
@ 2020-04-05  9:00 Qiujun Huang
  0 siblings, 0 replies; only message in thread
From: Qiujun Huang @ 2020-04-05  9:00 UTC (permalink / raw)
  To: hare, jejb, martin.petersen; +Cc: linux-scsi, linux-kernel, Qiujun Huang

NULL check before kfree is unnecessary so remove it.
This issue was detected by using the Coccinelle software.

Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
---
 drivers/scsi/aic7xxx/aic7xxx_core.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
index 4190a025381a..a45365b0651a 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_core.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_core.c
@@ -2193,8 +2193,7 @@ ahc_free_tstate(struct ahc_softc *ahc, u_int scsi_id, char channel, int force)
 	if (channel == 'B')
 		scsi_id += 8;
 	tstate = ahc->enabled_targets[scsi_id];
-	if (tstate != NULL)
-		kfree(tstate);
+	kfree(tstate);
 	ahc->enabled_targets[scsi_id] = NULL;
 }
 #endif
@@ -4474,8 +4473,7 @@ ahc_set_unit(struct ahc_softc *ahc, int unit)
 void
 ahc_set_name(struct ahc_softc *ahc, char *name)
 {
-	if (ahc->name != NULL)
-		kfree(ahc->name);
+	kfree(ahc->name);
 	ahc->name = name;
 }
 
@@ -4536,10 +4534,8 @@ ahc_free(struct ahc_softc *ahc)
 		kfree(ahc->black_hole);
 	}
 #endif
-	if (ahc->name != NULL)
-		kfree(ahc->name);
-	if (ahc->seep_config != NULL)
-		kfree(ahc->seep_config);
+	kfree(ahc->name);
+	kfree(ahc->seep_config);
 #ifndef __FreeBSD__
 	kfree(ahc);
 #endif
@@ -4950,8 +4946,7 @@ ahc_fini_scbdata(struct ahc_softc *ahc)
 	case 0:
 		break;
 	}
-	if (scb_data->scbarray != NULL)
-		kfree(scb_data->scbarray);
+	kfree(scb_data->scbarray);
 }
 
 static void
-- 
2.17.1


^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2020-04-05  9:01 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-04-05  9:00 [PATCH] scsi: aic7xxx: Remove NULL check before kfree Qiujun Huang

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®