[PATCH v2] scsi: aic7xxx: Use kmemdup instead of duplicating its function

[Wen Yang]

kmemdup has implemented the function that kmalloc() + memcpy().
We prefer to kmemdup rather than code opened implementation.

This issue was detected with the help of coccinelle.

Signed-off-by: Wen Yang <wen.yan...@zte.com.cn>
CC: Hannes Reinecke <h...@suse.com>
CC: "James E.J. Bottomley" <j...@linux.ibm.com>
CC: "Martin K. Petersen" <martin.peter...@oracle.com>
CC: linux-s...@vger.kernel.org
CC: linux-kernel@vger.kernel.org
---
 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 9ee75c9a9aa1..3e72fac6d248 100644
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/drivers/scsi/aic7xxx/aic79xx_core.c
@@ -9438,10 +9438,10 @@ 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 f3362f4ab16e..8ea055a81ee8 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_core.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_core.c
@@ -6901,10 +6901,10 @@ 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);
 
-- 
2.19.1