cifsd: fix memleak in ksmbd_vfs_stream_write()

Before assigning wbuf to stream_buf, memory allocate in
ksmbd_vfs_getcasexattr() need be freed.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/cifsd/vfs.c b/fs/cifsd/vfs.c
index cd03759..e70b67e 100644 (file)
--- a/fs/cifsd/vfs.c
+++ b/fs/cifsd/vfs.c
@@ -429,6 +429,7 @@ static int ksmbd_vfs_stream_write(struct ksmbd_file *fp, char *buf, loff_t *pos,
 
                if (v_len > 0)
                        memcpy(wbuf, stream_buf, v_len);
+               kvfree(stream_buf);
                stream_buf = wbuf;
        }