tree 6c496483982c1bd0d7fe548c92dfd79658a47692
parent 0a3b79c82d11f9d9a65351fd9cc130da50f1da65
author Zhiqiang Liu <liuzhiqiang26@huawei.com> 1613719718 +0800
committer Zhiqiang Liu <liuzhiqiang26@huawei.com> 1613719727 +0800

setup: check whether malloc succ before using it

In io_uring_get_probe_ring func, we will call malloc()
to alloc memory for probe. Considering malloc may return NULL,
we should check whether malloc() succ before using it.

Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>