From: Colin Ian King <colin.king@xxxxxxxxxxxxx> The variable up.resv is not initialized and is being checking for a non-zero value in the call to _io_register_rsrc_update. Fix this by explicitly setting the pointer to 0. Addresses-Coverity: ("Uninitialized scalar variable)" Fixes: c3bdad027183 ("io_uring: add generic rsrc update with tags") Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx> --- fs/io_uring.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/io_uring.c b/fs/io_uring.c index f4ec092c23f4..63f610ee274b 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -5842,6 +5842,7 @@ static int io_files_update(struct io_kiocb *req, unsigned int issue_flags) up.data = req->rsrc_update.arg; up.nr = 0; up.tags = 0; + up.resv = 0; mutex_lock(&ctx->uring_lock); ret = __io_register_rsrc_update(ctx, IORING_RSRC_FILE, -- 2.30.2