Messages in this thread Patch in this message | | | From | Yi Wang <> | Subject | [PATCH] virtio:linux:kernel:NULL check after kmalloc is needed | Date | Tue, 8 Jan 2019 13:40:33 +0800 |
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From: "huang.zijiang" <huang.zijiang@zte.com.cn>
NULL check is needed because kmalloc maybe return NULL.
Signed-off-by: huang.zijiang <huang.zijiang@zte.com.cn> --- tools/virtio/linux/kernel.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h index 7ef45a4..2afcad8 100644 --- a/tools/virtio/linux/kernel.h +++ b/tools/virtio/linux/kernel.h @@ -65,6 +65,8 @@ static inline void *kzalloc(size_t s, gfp_t gfp) { void *p = kmalloc(s, gfp); + if (!p) + return -ENOMEM; memset(p, 0, s); return p; } -- 1.8.3.1
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