io_uring: initialize 'timeout' properly in io_sq_thread()

Some static checker reports below warning:
    fs/io_uring.c:6939 io_sq_thread()
    error: uninitialized symbol 'timeout'.

This is a false positive, but let's just initialize 'timeout' to make
sure we don't trip over this.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/io_uring.c b/fs/io_uring.c
index b789b9af2f4cc698480b7844e6ef3a2ff54eed62..d52d6f529dc6ec543284698ce2171bffb6e62217 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -6908,7 +6908,7 @@ static int io_sq_thread(void *data)
        const struct cred *old_cred = NULL;
        struct io_sq_data *sqd = data;
        struct io_ring_ctx *ctx;
-       unsigned long timeout;
+       unsigned long timeout = 0;
        DEFINE_WAIT(wait);
 
        task_lock(current);