Messages in this thread Patch in this message | | | From | Li kunyu <> | Subject | [PATCH 2/2] unicode: mkutf8data: Add malloc allocation check | Date | Mon, 24 Oct 2022 12:51:50 +0800 |
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Increase the judgment of malloc allocation, and return NULL if the condition is met.
Signed-off-by: Li kunyu <kunyu@nfschina.com> --- fs/unicode/mkutf8data.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/fs/unicode/mkutf8data.c b/fs/unicode/mkutf8data.c index e06404a6b106..a929ddf1438c 100644 --- a/fs/unicode/mkutf8data.c +++ b/fs/unicode/mkutf8data.c @@ -495,6 +495,9 @@ static struct node *alloc_node(struct node *parent) int bitnum; node = malloc(sizeof(*node)); + if (!node) + return NULL; + node->left = node->right = NULL; node->parent = parent; node->leftnode = NODE; -- 2.18.2
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