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buflist: append: treat NULL additional buf as error not assert

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Very very occasionally on server we try to add a NULL buffer to a buflist.

Let's try dealing with that by failing (caller must always be able to
handle failure from OOM) rather than asserting.
This commit is contained in:
Andy Green 2023-11-11 07:37:40 +00:00
parent bfce9f8618
commit 288f36fc81
1 changed files with 3 additions and 1 deletions
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4
lib/core/buflist.c
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@ -39,7 +39,9 @@ lws_buflist_append_segment(struct lws_buflist **head, const uint8_t *buf,
void *p = *head;
int sanity = 1024;
assert(buf);
if (!buf)
return -1;
assert(len);
/* append at the tail */