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os: ospoll_create(): protect from allocation failure

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| ../os/ospoll.c: In function ‘ospoll_create’:
| ../os/ospoll.c:229:22: warning: dereference of possibly-NULL ‘ospoll’ [CWE-690] [-Wanalyzer-possible-null-dereference]
|   229 |     ospoll->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
|       |     ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult
2025-05-06 15:06:12 +02:00
parent 1e2842f3e5
commit eb09c17a54
1 changed files with 3 additions and 2 deletions
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5
os/ospoll.c
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@@ -224,8 +224,9 @@ ospoll_create(void)
return ospoll; return ospoll;
#endif #endif
#if EPOLL #if EPOLL
struct ospoll *ospoll = calloc(1, sizeof (struct ospoll)); struct ospoll *ospoll = calloc(1, sizeof (struct ospoll));
if (ospoll == NULL)
return NULL;
ospoll->epoll_fd = epoll_create1(EPOLL_CLOEXEC); ospoll->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
if (ospoll->epoll_fd < 0) { if (ospoll->epoll_fd < 0) {
free (ospoll); free (ospoll);