tree-wide: use mfree more

[thirdparty/systemd.git] / src / login / logind-button.c

diff --git a/src/login/logind-button.c b/src/login/logind-button.c
index 210b889c4f987cd7998b38ac69e0578c77e98603..90fb93bbaf85ecc6b80bd3383cfcc6381eb59dd7 100644 (file)
--- a/src/login/logind-button.c
+++ b/src/login/logind-button.c
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 /***
   This file is part of systemd.
 
@@ -19,16 +17,20 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#include <string.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <string.h>
 #include <sys/ioctl.h>
 #include <unistd.h>
 #include <linux/input.h>
 
 #include "sd-messages.h"
-#include "util.h"
+
+#include "alloc-util.h"
+#include "fd-util.h"
 #include "logind-button.h"
+#include "string-util.h"
+#include "util.h"
 
 Button* button_new(Manager *m, const char *name) {
         Button *b;
@@ -41,15 +43,12 @@ Button* button_new(Manager *m, const char *name) {
                 return NULL;
 
         b->name = strdup(name);
-        if (!b->name) {
-                free(b);
-                return NULL;
-        }
+        if (!b->name)
+                return mfree(b);
 
         if (hashmap_put(m->buttons, b->name, b) < 0) {
                 free(b->name);
-                free(b);
-                return NULL;
+                return mfree(b);
         }
 
         b->manager = m;
@@ -66,12 +65,11 @@ void button_free(Button *b) {
         sd_event_source_unref(b->io_event_source);
         sd_event_source_unref(b->check_event_source);
 
-        if (b->fd >= 0) {
+        if (b->fd >= 0)
                 /* If the device has been unplugged close() returns
                  * ENODEV, let's ignore this, hence we don't use
                  * safe_close() */
                 (void) close(b->fd);
-        }
 
         free(b->name);
         free(b->seat);
@@ -239,10 +237,7 @@ int button_open(Button *b) {
 
         assert(b);
 
-        if (b->fd >= 0) {
-                close(b->fd);
-                b->fd = -1;
-        }
+        b->fd = safe_close(b->fd);
 
         p = strjoina("/dev/input/", b->name);
 
@@ -251,8 +246,7 @@ int button_open(Button *b) {
                 return log_warning_errno(errno, "Failed to open %s: %m", b->name);
 
         if (ioctl(b->fd, EVIOCGNAME(sizeof(name)), name) < 0) {
-                log_error_errno(errno, "Failed to get input name: %m");
-                r = -errno;
+                r = log_error_errno(errno, "Failed to get input name: %m");
                 goto fail;
         }
 
@@ -267,8 +261,7 @@ int button_open(Button *b) {
         return 0;
 
 fail:
-        close(b->fd);
-        b->fd = -1;
+        b->fd = safe_close(b->fd);
         return r;
 }