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authorPan Nengyuan <pannengyuan@huawei.com>2020-10-23 14:12:18 +0800
committerLaurent Vivier <laurent@vivier.eu>2020-12-13 23:56:16 +0100
commitcb8d0851f1c00daafd736757a22f4820ec081b68 (patch)
tree1bab477e6b4ae8c9a8413ef802fbd4312bd0c88d /block
parent0c4c8671d79023a05d916e73d9b4399abff9c0a0 (diff)
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block/file-posix: fix a possible undefined behavior
local_err is not initialized to NULL, it will cause a assert error as below: qemu/util/error.c:59: error_setv: Assertion `*errp == NULL' failed. Fixes: c6447510690 Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Li Qiang <liq3ea@gmail.com> Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com> Message-Id: <20201023061218.2080844-8-kuhn.chenqun@huawei.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'block')
-rw-r--r--block/file-posix.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/file-posix.c b/block/file-posix.c
index 83e2cc5..9804681 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -2111,7 +2111,7 @@ static void raw_aio_attach_aio_context(BlockDriverState *bs,
#endif
#ifdef CONFIG_LINUX_IO_URING
if (s->use_linux_io_uring) {
- Error *local_err;
+ Error *local_err = NULL;
if (!aio_setup_linux_io_uring(new_context, &local_err)) {
error_reportf_err(local_err, "Unable to use linux io_uring, "
"falling back to thread pool: ");