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nvmet-auth: use kmemdup instead of kmalloc + memcpy 

For code neat purpose, we can use kmemdup to replace
kmalloc + memcpy.

Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Zhang Xiaoxu 2022-07-26 10:56:32 +08:00 committed by Christoph Hellwig
parent 9317d00144
commit 14446f9abd
1 changed files with 2 additions and 2 deletions
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4
drivers/nvme/target/fabrics-cmd-auth.c
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@ -160,10 +160,10 @@ static u16 nvmet_auth_reply(struct nvmet_req *req, void *d)
pr_debug("%s: ctrl %d qid %d host authenticated\n",
__func__, ctrl->cntlid, req->sq->qid);
if (data->cvalid) {
req->sq->dhchap_c2 = kmalloc(data->hl, GFP_KERNEL);
req->sq->dhchap_c2 = kmemdup(data->rval + data->hl, data->hl,
GFP_KERNEL);
if (!req->sq->dhchap_c2)
return NVME_AUTH_DHCHAP_FAILURE_FAILED;
memcpy(req->sq->dhchap_c2, data->rval + data->hl, data->hl);
pr_debug("%s: ctrl %d qid %d challenge %*ph\n",
__func__, ctrl->cntlid, req->sq->qid, data->hl,