From: YueHaibing <yuehaibing@huawei.com>
Date: Mon, 10 Sep 2018 01:33:06 +0000
Subject: [PATCH] cifs: Use kmemdup rather than duplicating its implementation
in smb311_posix_mkdir()
Git-commit: d034feeb44b8a8fb473f1ba805db97787f54bf3a
Patch-mainline: v4.20-rc1
References: bsc#1144333
Use kmemdup rather than duplicating its implementation
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Aurelien Aptel <aaptel@suse.com>
---
fs/cifs/smb2pdu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index f54d07bda067..d7a41141ed38 100644
--- 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;
--
2.16.4