cifs: Use kmemdup rather than duplicating its implementation in smb311_posix_mkdir()

Use kmemdup rather than duplicating its implementation

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index f54d07b..d7a4114 100644 (file)
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2474,13 +2474,13 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
                goto ioctl_exit;
        }
 
-       *out_data = kmalloc(*plen, GFP_KERNEL);
+       *out_data = kmemdup((char *)rsp + le32_to_cpu(rsp->OutputOffset),
+                           *plen, GFP_KERNEL);
        if (*out_data == NULL) {
                rc = -ENOMEM;
                goto ioctl_exit;
        }
 
-       memcpy(*out_data, (char *)rsp + le32_to_cpu(rsp->OutputOffset), *plen);
 ioctl_exit:
        free_rsp_buf(resp_buftype, rsp);
        return rc;