From: Zbigniew Jędrzejewski-Szmek Date: Wed, 31 Mar 2021 09:06:41 +0000 (+0200) Subject: basic/socket-util: add hint to silence gcc's maybe-unitialized warning X-Git-Tag: v249-rc1~490^2~15 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=befab2c40cc2c48ce8b8e28f93a6167e23b384e7;p=thirdparty%2Fsystemd.git basic/socket-util: add hint to silence gcc's maybe-unitialized warning [59/1551] Compiling C object src/basic/libbasic.a.p/socket-util.c.o ../src/basic/socket-util.c: In function ‘socket_get_mtu’: ../src/basic/socket-util.c:1393:16: warning: ‘mtu’ may be used uninitialized in this function [-Wmaybe-uninitialized] 1393 | *ret = (size_t) mtu; | ^~~~~~~~~~~~ --- diff --git a/src/basic/socket-util.h b/src/basic/socket-util.h index 507a599d7cf..e0b959f5da5 100644 --- a/src/basic/socket-util.h +++ b/src/basic/socket-util.h @@ -14,6 +14,7 @@ #include #include +#include "errno-util.h" #include "macro.h" #include "missing_network.h" #include "missing_socket.h" @@ -264,7 +265,7 @@ static inline int getsockopt_int(int fd, int level, int optname, int *ret) { socklen_t sl = sizeof(v); if (getsockopt(fd, level, optname, &v, &sl) < 0) - return -errno; + return negative_errno(); if (sl != sizeof(v)) return -EIO;