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From: Benoit Taine <benoit.taine@lip6.fr>
To: Hannes Reinecke <hare@suse.de>
Cc: benoit.taine@lip6.fr,
	"James E.J. Bottomley" <JBottomley@parallels.com>,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: [PATCH 12/18] aic7xxx: Use kmemdup instead of kmalloc + memcpy
Date: Mon, 26 May 2014 15:21:21 +0000	[thread overview]
Message-ID: <1401117687-28911-13-git-send-email-benoit.taine@lip6.fr> (raw)
In-Reply-To: <1401117687-28911-1-git-send-email-benoit.taine@lip6.fr>

This issue was reported by coccicheck using the semantic patch 
at scripts/coccinelle/api/memdup.cocci

Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
---
Tested by compilation without errors.

 drivers/scsi/aic7xxx/aic79xx_core.c |    4 ++--
 drivers/scsi/aic7xxx/aic7xxx_core.c |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index 0bcacf7..01353b1 100644
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/drivers/scsi/aic7xxx/aic79xx_core.c
@@ -9494,10 +9494,10 @@ ahd_loadseq(struct ahd_softc *ahd)
 	if (cs_count != 0) {
 
 		cs_count *= sizeof(struct cs);
-		ahd->critical_sections = kmalloc(cs_count, GFP_ATOMIC);
+		ahd->critical_sections = kmemdup(cs_table, cs_count,
+						 GFP_ATOMIC);
 		if (ahd->critical_sections = NULL)
 			panic("ahd_loadseq: Could not malloc");
-		memcpy(ahd->critical_sections, cs_table, cs_count);
 	}
 	ahd_outb(ahd, SEQCTL0, PERRORDIS|FAILDIS|FASTMODE);
 
diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
index 10172a3..f09337a 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_core.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_core.c
@@ -6941,10 +6941,10 @@ ahc_loadseq(struct ahc_softc *ahc)
 	if (cs_count != 0) {
 
 		cs_count *= sizeof(struct cs);
-		ahc->critical_sections = kmalloc(cs_count, GFP_ATOMIC);
+		ahc->critical_sections = kmemdup(cs_table, cs_count,
+						 GFP_ATOMIC);
 		if (ahc->critical_sections = NULL)
 			panic("ahc_loadseq: Could not malloc");
-		memcpy(ahc->critical_sections, cs_table, cs_count);
 	}
 	ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS|FASTMODE);
 


  parent reply	other threads:[~2014-05-26 15:21 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-26 15:21 [PATCH 0/18] Use kmemdup instead of kmalloc + memcpy Benoit Taine
2014-05-26 15:21 ` [PATCH 1/18] USB: storage: ene_ub6250: " Benoit Taine
2014-05-26 15:21 ` [PATCH 3/18] VMCI: " Benoit Taine
2014-05-26 15:54   ` walter harms
2014-05-26 15:21 ` [PATCH 2/18] memstick: " Benoit Taine
2014-05-26 15:21 ` [PATCH 4/18] qla4xxx: " Benoit Taine
2014-05-27  8:38   ` Vikas Chaudhary
2014-05-26 15:21 ` [PATCH 5/18] wcn36xx: " Benoit Taine
2014-05-26 15:21 ` [PATCH 6/18] fusion: " Benoit Taine
2014-05-26 15:21 ` [PATCH 7/18] qla2xxx: " Benoit Taine
2014-05-27  5:01   ` Saurav Kashyap
2014-05-26 15:21 ` [PATCH 8/18] Drivers: scsi: " Benoit Taine
2014-05-26 15:21 ` [PATCH 9/18] staging: rtl8723au: " Benoit Taine
2014-05-26 15:43   ` Jes Sorensen
2014-05-26 15:57     ` Benoit Taine
2014-05-26 15:21 ` [PATCH 10/18] aacraid: " Benoit Taine
2014-05-26 15:21 ` [PATCH 11/18] usb: gadget: " Benoit Taine
2014-05-26 15:21 ` Benoit Taine [this message]
2014-05-26 15:21 ` [PATCH 13/18] drm/edid: " Benoit Taine
2014-05-27  6:40   ` Jani Nikula
2014-05-27 15:14   ` Alex Deucher
2014-05-26 15:21 ` [PATCH 14/18] r8152: " Benoit Taine
2014-05-30 23:25   ` David Miller
2014-05-26 15:21 ` [PATCH 15/18] Drivers: media: " Benoit Taine
2014-05-26 15:21 ` [PATCH 16/18] HID: uhid: " Benoit Taine
2014-05-26 15:33   ` David Herrmann
2014-05-26 22:42   ` Jiri Kosina
2014-05-26 15:21 ` [PATCH 17/18] drx-j: " Benoit Taine
2014-05-26 15:21 ` [PATCH 18/18] pinctrl: pinconf-generic: " Benoit Taine
2014-05-27 14:06   ` Linus Walleij

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