conf: cleanup macros pin_rootfs

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/conf.c b/src/lxc/conf.c
index d52c79f69776856c60214c1efa5dbe155d8d2e34..d7ae64cefb862ceb89afb1e02f65f93031005b30 100644 (file)
--- a/src/lxc/conf.c
+++ b/src/lxc/conf.c
@@ -536,9 +536,9 @@ int run_script(const char *name, const char *section, const char *script, ...)
  */
 int pin_rootfs(const char *rootfs)
 {
+       __do_free char *absrootfs = NULL;
        int fd, ret;
        char absrootfspin[PATH_MAX];
-       char *absrootfs;
        struct stat s;
        struct statfs sfs;
 
@@ -550,18 +550,13 @@ int pin_rootfs(const char *rootfs)
                return -2;
 
        ret = stat(absrootfs, &s);
-       if (ret < 0) {
-               free(absrootfs);
+       if (ret < 0)
                return -1;
-       }
 
-       if (!S_ISDIR(s.st_mode)) {
-               free(absrootfs);
+       if (!S_ISDIR(s.st_mode))
                return -2;
-       }
 
        ret = snprintf(absrootfspin, PATH_MAX, "%s/.lxc-keep", absrootfs);
-       free(absrootfs);
        if (ret < 0 || ret >= PATH_MAX)
                return -1;