diff options
| author | Pan Nengyuan <pannengyuan@huawei.com> | 2020-10-23 14:12:18 +0800 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2020-12-13 23:56:16 +0100 |
| commit | cb8d0851f1c00daafd736757a22f4820ec081b68 (patch) | |
| tree | 1bab477e6b4ae8c9a8413ef802fbd4312bd0c88d | |
| parent | 0c4c8671d79023a05d916e73d9b4399abff9c0a0 (diff) | |
| download | qemu-cb8d0851f1c00daafd736757a22f4820ec081b68.zip | |
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>
| -rw-r--r-- | block/file-posix.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/file-posix.c b/block/file-posix.c index 83e2cc5530..9804681d5c 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: "); |