tree-wide: use new logging helpers

src/lxc/cgroups/cgfsng.c

@@ -3030,7 +3030,7 @@ static int __list_cgroup_delegate(char ***delegate)
 		}
 
 		*delegate = move_ptr(list);
-		return syswarn(0, "Failed to read /sys/kernel/cgroup/delegate");
+		return syswarn_ret(0, "Failed to read /sys/kernel/cgroup/delegate");
 	}
 
 	lxc_iterate_parts(token, buf, " \t\n") {

src/lxc/commands.c

@@ -354,7 +354,7 @@ static int __lxc_cmd_rsp_send(int fd, struct lxc_cmd_rsp *rsp)
 
 	ret = lxc_send_nointr(fd, rsp->data, rsp->datalen, MSG_NOSIGNAL);
 	if (ret < 0 || ret != (ssize_t)rsp->datalen)
-		return syswarn(-errno, "Failed to send command response %zd", ret);
+		return syswarn("Failed to send command response %zd", ret);
 
 	return 0;
 }
@@ -392,7 +392,7 @@ static inline int rsp_one_fd_reap(int fd, int fd_send, struct lxc_cmd_rsp *rsp)
 	if (rsp->data && rsp->datalen > 0) {
 		ret = lxc_send_nointr(fd, rsp->data, rsp->datalen, MSG_NOSIGNAL);
 		if (ret < 0 || ret != (ssize_t)rsp->datalen)
-			return syswarn(-errno, "Failed to send command response %zd", ret);
+			return syswarn("Failed to send command response %zd", ret);
 	}
 
 	return LXC_CMD_REAP_CLIENT_FD;
@@ -430,7 +430,7 @@ __access_r(3, 2) static int rsp_many_fds_reap(int fd, __u32 fds_len,
 	if (rsp->data && rsp->datalen > 0) {
 		ret = lxc_send_nointr(fd, rsp->data, rsp->datalen, MSG_NOSIGNAL);
 		if (ret < 0 || ret != (ssize_t)rsp->datalen)
-			return syswarn(-errno, "Failed to send command response %zd", ret);
+			return syswarn("Failed to send command response %zd", ret);
 	}
 
 	return LXC_CMD_REAP_CLIENT_FD;

src/lxc/log.h

@@ -494,13 +494,6 @@ __lxc_unused static inline void LXC_##LEVEL(struct lxc_log_locinfo* locinfo,	\
 		__internal_ret__;                             \
 	})
 
-#define syswarn(__ret__, format, ...)                         \
-	({                                                    \
-		typeof(__ret__) __internal_ret__ = (__ret__); \
-		SYSWARN(format, ##__VA_ARGS__);               \
-		__internal_ret__;                             \
-	})
-
 #define systrace(__ret__, format, ...)                        \
 	({                                                    \
 		typeof(__ret__) __internal_ret__ = (__ret__); \
@@ -515,14 +508,6 @@ __lxc_unused static inline void LXC_##LEVEL(struct lxc_log_locinfo* locinfo,	\
 		__internal_ret__;                             \
 	})
 
-#define syswarn_set(__ret__, format, ...)                     \
-	({                                                    \
-		typeof(__ret__) __internal_ret__ = (__ret__); \
-		errno = labs(__ret__);                        \
-		SYSWARN(format, ##__VA_ARGS__);               \
-		__internal_ret__;                             \
-	})
-
 #define log_error(__ret__, format, ...)                       \
 	({                                                    \
 		typeof(__ret__) __internal_ret__ = (__ret__); \
@@ -612,6 +597,27 @@ __lxc_unused static inline void LXC_##LEVEL(struct lxc_log_locinfo* locinfo,	\
 		__internal_ret__;                             \
 	})
 
+#define syswarn(format, ...)                    \
+	({                                      \
+		SYSWARN(format, ##__VA_ARGS__); \
+		(-errno);                       \
+	})
+
+#define syswarn_set(__ret__, format, ...)                     \
+	({                                                    \
+		typeof(__ret__) __internal_ret__ = (__ret__); \
+		errno = labs(__ret__);                        \
+		SYSWARN(format, ##__VA_ARGS__);               \
+		__internal_ret__;                             \
+	})
+
+#define syswarn_ret(__ret__, format, ...)                     \
+	({                                                    \
+		typeof(__ret__) __internal_ret__ = (__ret__); \
+		SYSWARN(format, ##__VA_ARGS__);               \
+		__internal_ret__;                             \
+	})
+
 #define sysdebug(format, ...)                    \
 	({                                       \
 		SYSDEBUG(format, ##__VA_ARGS__); \