treewide: use log_*_errno whenever %m is in the format string

[thirdparty/systemd.git] / src / vconsole / vconsole-setup.c

diff --git a/src/vconsole/vconsole-setup.c b/src/vconsole/vconsole-setup.c
index e0c40506112d7aba92bfd8a913c28177aedd0057..e79ad2a5f069d4aa22667b3cf1703f2ed44185a5 100644 (file)
--- a/src/vconsole/vconsole-setup.c
+++ b/src/vconsole/vconsole-setup.c
@@ -62,7 +62,7 @@ static int disable_utf8(int fd) {
                 r = k;
 
         if (r < 0)
-                log_warning("Failed to disable UTF-8: %s", strerror(-r));
+                log_warning_errno(r, "Failed to disable UTF-8: %m");
 
         return r;
 }
@@ -94,7 +94,7 @@ static int enable_utf8(int fd) {
                 r = k;
 
         if (r < 0)
-                log_warning("Failed to enable UTF-8: %s", strerror(-r));
+                log_warning_errno(r, "Failed to enable UTF-8: %m");
 
         return r;
 }
@@ -123,7 +123,7 @@ static int keymap_load(const char *vc, const char *map, const char *map_toggle,
 
         pid = fork();
         if (pid < 0) {
-                log_error("Failed to fork: %m");
+                log_error_errno(errno, "Failed to fork: %m");
                 return -errno;
         } else if (pid == 0) {
                 execv(args[0], (char **) args);
@@ -161,7 +161,7 @@ static int font_load(const char *vc, const char *font, const char *map, const ch
 
         pid = fork();
         if (pid < 0) {
-                log_error("Failed to fork: %m");
+                log_error_errno(errno, "Failed to fork: %m");
                 return -errno;
         } else if (pid == 0) {
                 execv(args[0], (char **) args);
@@ -212,15 +212,15 @@ static void font_copy_to_all_vcs(int fd) {
                 /* copy font from active VT, where the font was uploaded to */
                 cfo.op = KD_FONT_OP_COPY;
                 cfo.height = vcs.v_active-1; /* tty1 == index 0 */
-                ioctl(vcfd, KDFONTOP, &cfo);
+                (void) ioctl(vcfd, KDFONTOP, &cfo);
 
                 /* copy map of 8bit chars */
                 if (ioctl(fd, GIO_SCRNMAP, map8) >= 0)
-                    ioctl(vcfd, PIO_SCRNMAP, map8);
+                    (void) ioctl(vcfd, PIO_SCRNMAP, map8);
 
                 /* copy map of 8bit chars -> 16bit Unicode values */
                 if (ioctl(fd, GIO_UNISCRNMAP, map16) >= 0)
-                    ioctl(vcfd, PIO_UNISCRNMAP, map16);
+                    (void) ioctl(vcfd, PIO_UNISCRNMAP, map16);
 
                 /* copy unicode translation table */
                 /* unimapd is a ushort count and a pointer to an
@@ -230,20 +230,18 @@ static void font_copy_to_all_vcs(int fd) {
                 if (ioctl(fd, GIO_UNIMAP, &unimapd) >= 0) {
                         struct unimapinit adv = { 0, 0, 0 };
 
-                        ioctl(vcfd, PIO_UNIMAPCLR, &adv);
-                        ioctl(vcfd, PIO_UNIMAP, &unimapd);
+                        (void) ioctl(vcfd, PIO_UNIMAPCLR, &adv);
+                        (void) ioctl(vcfd, PIO_UNIMAP, &unimapd);
                 }
         }
 }
 
 int main(int argc, char **argv) {
         const char *vc;
-        char *vc_keymap = NULL;
-        char *vc_keymap_toggle = NULL;
-        char *vc_font = NULL;
-        char *vc_font_map = NULL;
-        char *vc_font_unimap = NULL;
-        int fd = -1;
+        _cleanup_free_ char
+                *vc_keymap = NULL, *vc_keymap_toggle = NULL,
+                *vc_font = NULL, *vc_font_map = NULL, *vc_font_unimap = NULL;
+        _cleanup_close_ int fd = -1;
         bool utf8;
         pid_t font_pid = 0, keymap_pid = 0;
         bool font_copy = false;
@@ -264,13 +262,13 @@ int main(int argc, char **argv) {
 
         fd = open_terminal(vc, O_RDWR|O_CLOEXEC);
         if (fd < 0) {
-                log_error("Failed to open %s: %m", vc);
-                goto finish;
+                log_error_errno(errno, "Failed to open %s: %m", vc);
+                return EXIT_FAILURE;
         }
 
         if (!is_vconsole(fd)) {
                 log_error("Device %s is not a virtual console.", vc);
-                goto finish;
+                return EXIT_FAILURE;
         }
 
         utf8 = is_locale_utf8();
@@ -284,7 +282,7 @@ int main(int argc, char **argv) {
                            NULL);
 
         if (r < 0 && r != -ENOENT)
-                log_warning("Failed to read /etc/vconsole.conf: %s", strerror(-r));
+                log_warning_errno(r, "Failed to read /etc/vconsole.conf: %m");
 
         /* Let the kernel command line override /etc/vconsole.conf */
         if (detect_container(NULL) <= 0) {
@@ -297,7 +295,7 @@ int main(int argc, char **argv) {
                                    NULL);
 
                 if (r < 0 && r != -ENOENT)
-                        log_warning("Failed to read /proc/cmdline: %s", strerror(-r));
+                        log_warning_errno(r, "Failed to read /proc/cmdline: %m");
         }
 
         if (utf8)
@@ -305,27 +303,27 @@ int main(int argc, char **argv) {
         else
                 disable_utf8(fd);
 
-        r = EXIT_FAILURE;
-        if (keymap_load(vc, vc_keymap, vc_keymap_toggle, utf8, &keymap_pid) >= 0 &&
-            font_load(vc, vc_font, vc_font_map, vc_font_unimap, &font_pid) >= 0)
-                r = EXIT_SUCCESS;
-
-finish:
-        if (keymap_pid > 0)
-                wait_for_terminate_and_warn(KBD_LOADKEYS, keymap_pid);
+        r = font_load(vc, vc_font, vc_font_map, vc_font_unimap, &font_pid);
+        if (r < 0) {
+                log_error_errno(r, "Failed to start " KBD_SETFONT ": %m");
+                return EXIT_FAILURE;
+        }
 
-        if (font_pid > 0) {
+        if (font_pid > 0)
                 wait_for_terminate_and_warn(KBD_SETFONT, font_pid);
-                if (font_copy)
-                        font_copy_to_all_vcs(fd);
+
+        r = keymap_load(vc, vc_keymap, vc_keymap_toggle, utf8, &keymap_pid);
+        if (r < 0) {
+                log_error_errno(r, "Failed to start " KBD_LOADKEYS ": %m");
+                return EXIT_FAILURE;
         }
 
-        free(vc_keymap);
-        free(vc_font);
-        free(vc_font_map);
-        free(vc_font_unimap);
+        if (keymap_pid > 0)
+                wait_for_terminate_and_warn(KBD_LOADKEYS, keymap_pid);
 
-        safe_close(fd);
+        /* Only copy the font when we started setfont successfully */
+        if (font_copy && font_pid > 0)
+                font_copy_to_all_vcs(fd);
 
-        return r;
+        return EXIT_SUCCESS;
 }