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scsi: mpt3sas: remove redundant copy_from_user in _ctl_getiocinfo

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Since right after the user copy, we are going to memset(&karg, 0,
sizeof(karg)), the copy_from_user is redundant

Signed-off-by: Meng Xu <mengxu.gatech@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Meng Xu
2017-09-20 11:13:51 -04:00
committed by Martin K. Petersen
parent 08eb7f45de
commit c0ff7e2c21
1 changed files with 0 additions and 6 deletions
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6
drivers/scsi/mpt3sas/mpt3sas_ctl.c
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@@ -1065,12 +1065,6 @@ _ctl_getiocinfo(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
{ {
struct mpt3_ioctl_iocinfo karg; struct mpt3_ioctl_iocinfo karg;
if (copy_from_user(&karg, arg, sizeof(karg))) {
pr_err("failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name,
__func__)); __func__));