From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 28 Nov 2014 15:32:26 +0000 (+0100)
Subject: udev,update-done: more log_xyz_errno() conversions
X-Git-Tag: v218~252
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=755bde375f4db393ad06e73340bfcf4d0cf91bb2

udev,update-done: more log_xyz_errno() conversions
---

diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
index 7d1bdc9ee..5aac5bca4 100644
--- a/src/udev/net/link-config.c
+++ b/src/udev/net/link-config.c
@@ -342,14 +342,14 @@ int link_config_apply(link_config_ctx *ctx, link_config *config,
         r = ethtool_set_speed(&ctx->ethtool_fd, old_name, config->speed / 1024,
                               config->duplex);
         if (r < 0)
-                log_warning("Could not set speed or duplex of %s to %u Mbps (%s): %s",
-                            old_name, config->speed / 1024,
-                            duplex_to_string(config->duplex), strerror(-r));
+                log_warning_errno(r, "Could not set speed or duplex of %s to %u Mbps (%s): %m",
+                                  old_name, config->speed / 1024,
+                                  duplex_to_string(config->duplex));
 
         r = ethtool_set_wol(&ctx->ethtool_fd, old_name, config->wol);
         if (r < 0)
-                log_warning("Could not set WakeOnLan of %s to %s: %s",
-                            old_name, wol_to_string(config->wol), strerror(-r));
+                log_warning_errno(r, "Could not set WakeOnLan of %s to %s: %m",
+                                  old_name, wol_to_string(config->wol));
 
         ifindex = udev_device_get_ifindex(device);
         if (ifindex <= 0) {
@@ -422,8 +422,7 @@ int link_config_apply(link_config_ctx *ctx, link_config *config,
         r = rtnl_set_link_properties(&ctx->rtnl, ifindex, config->alias, mac,
                                      config->mtu);
         if (r < 0) {
-                log_warning("Could not set Alias, MACAddress or MTU on %s: %s",
-                            old_name, strerror(-r));
+                log_warning_errno(r, "Could not set Alias, MACAddress or MTU on %s: %m", old_name);
                 return r;
         }
 
diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c
index 7799a20d2..2917c3241 100644
--- a/src/udev/udev-event.c
+++ b/src/udev/udev-event.c
@@ -776,8 +776,7 @@ static int rename_netif(struct udev_event *event) {
 
         r = rtnl_set_link_name(&event->rtnl, udev_device_get_ifindex(dev), name);
         if (r < 0) {
-                log_error("error changing net interface name '%s' to '%s': %s",
-                          oldname, name, strerror(-r));
+                log_error_errno(r, "Error changing net interface name '%s' to '%s': %m", oldname, name);
                 return r;
         }
 
diff --git a/src/update-done/update-done.c b/src/update-done/update-done.c
index 44d9df752..a910808d0 100644
--- a/src/update-done/update-done.c
+++ b/src/update-done/update-done.c
@@ -46,13 +46,10 @@ static int apply_timestamp(const char *path, struct timespec *ts) {
 
                 if (utimensat(AT_FDCWD, path, twice, AT_SYMLINK_NOFOLLOW) < 0) {
 
-                        if (errno == EROFS) {
-                                log_debug("Can't update timestamp file %s, file system is read-only.", path);
-                                return 0;
-                        }
+                        if (errno == EROFS)
+                                return log_debug("Can't update timestamp file %s, file system is read-only.", path);
 
-                        log_error("Failed to update timestamp on %s: %m", path);
-                        return -errno;
+                        return log_error_errno(errno, "Failed to update timestamp on %s: %m", path);
                 }
 
         } else if (errno == ENOENT) {
@@ -62,24 +59,17 @@ static int apply_timestamp(const char *path, struct timespec *ts) {
                 /* The timestamp file doesn't exist yet? Then let's create it. */
 
                 r = mac_selinux_create_file_prepare(path, S_IFREG);
-                if (r < 0) {
-                        log_error("Failed to set SELinux context for %s: %s",
-                                  path, strerror(-r));
-                        return r;
-                }
+                if (r < 0)
+                        return log_error_errno(r, "Failed to set SELinux context for %s: %m", path);
 
                 fd = open(path, O_CREAT|O_EXCL|O_WRONLY|O_TRUNC|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW, 0644);
                 mac_selinux_create_file_clear();
 
                 if (fd < 0) {
+                        if (errno == EROFS)
+                                return log_debug("Can't create timestamp file %s, file system is read-only.", path);
 
-                        if (errno == EROFS) {
-                                log_debug("Can't create timestamp file %s, file system is read-only.", path);
-                                return 0;
-                        }
-
-                        log_error("Failed to create timestamp file %s: %m", path);
-                        return -errno;
+                        return log_error_errno(errno, "Failed to create timestamp file %s: %m", path);
                 }
 
                 (void) loop_write(fd, MESSAGE, strlen(MESSAGE), false);
@@ -87,14 +77,10 @@ static int apply_timestamp(const char *path, struct timespec *ts) {
                 twice[0] = *ts;
                 twice[1] = *ts;
 
-                if (futimens(fd, twice) < 0) {
-                        log_error("Failed to update timestamp on %s: %m", path);
-                        return -errno;
-                }
-        } else {
-                log_error("Failed to stat() timestamp file %s: %m", path);
-                return -errno;
-        }
+                if (futimens(fd, twice) < 0)
+                        return log_error_errno(errno, "Failed to update timestamp on %s: %m", path);
+        } else
+                log_error_errno(errno, "Failed to stat() timestamp file %s: %m", path);
 
         return 0;
 }
@@ -108,7 +94,7 @@ int main(int argc, char *argv[]) {
         log_open();
 
         if (stat("/usr", &st) < 0) {
-                log_error("Failed to stat /usr: %m");
+                log_error_errno(errno, "Failed to stat /usr: %m");
                 return EXIT_FAILURE;
         }