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| author | Muhammad Falak R Wani <falakreyaz@gmail.com> | 2016-05-19 14:08:33 (GMT) |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-07-13 03:16:31 (GMT) |
| commit | 22e9f5a61666ed1145a09fbe49ac1a6f2ae7be8e (patch) | |
| tree | 69489981f43bbff21ce270e1356d6f199f9a6389 | |
| parent | 014e8ba76ec3d6e75ab1811ea471e647a0b5dd92 (diff) | |
| download | linux-22e9f5a61666ed1145a09fbe49ac1a6f2ae7be8e.tar.xz | |
aacraid: use kmemdup
Use kmemdup when some other buffer is immediately copied into allocated
region. It replaces call to allocation followed by memcpy, by a single
call to kmemdup.
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Reviewed-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/aacraid/commctrl.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c index 4b3bb52..b381b37 100644 --- a/drivers/scsi/aacraid/commctrl.c +++ b/drivers/scsi/aacraid/commctrl.c @@ -635,15 +635,14 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) } } else { struct user_sgmap* usg; - usg = kmalloc(actual_fibsize - sizeof(struct aac_srb) - + sizeof(struct sgmap), GFP_KERNEL); + usg = kmemdup(upsg, + actual_fibsize - sizeof(struct aac_srb) + + sizeof(struct sgmap), GFP_KERNEL); if (!usg) { dprintk((KERN_DEBUG"aacraid: Allocation error in Raw SRB command\n")); rcode = -ENOMEM; goto cleanup; } - memcpy (usg, upsg, actual_fibsize - sizeof(struct aac_srb) - + sizeof(struct sgmap)); actual_fibsize = actual_fibsize64; for (i = 0; i < usg->count; i++) { |