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Don't segfault when calling a socket function on a bad fd

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This commit is contained in:
Theodore Dubois 2018-06-16 16:00:34 -07:00
parent fb2d8ca810
commit b4e00f74a1
1 changed files with 1 additions and 1 deletions
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2
fs/sock.c
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@ -37,7 +37,7 @@ dword_t sys_socket(dword_t domain, dword_t type, dword_t protocol) {
static struct fd *sock_getfd(fd_t sock_fd) {
struct fd *sock = f_get(sock_fd);
if (sock->ops != &socket_fdops)
if (sock == NULL || sock->ops != &socket_fdops)
return NULL;
return sock;
}