X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=mount-setup.c;h=d2a1d0a942b310b1af7496dad1e6ddedd8e3e2fe;hp=013e6144cfc142532f17358ccea4e0ab83be3959;hb=ac86f50d7b62fb16b4521c87bd2739b9c26a4f60;hpb=2076ca540e4ffdd320e086c8b570a5bf19546022

diff --git a/mount-setup.c b/mount-setup.c
index 013e6144c..d2a1d0a94 100644
--- a/mount-setup.c
+++ b/mount-setup.c
@@ -42,13 +42,14 @@ typedef struct MountPoint {
 } MountPoint;
 
 static const MountPoint mount_table[] = {
-        { "proc",    "/proc",             "proc",     NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
-        { "sysfs",   "/sys",              "sysfs",    NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
-        { "devtmps", "/dev",              "devtmpfs", "mode=755",  MS_NOSUID,                    true },
-        { "tmpfs",   "/dev/shm",          "tmpfs",    "mode=1777", MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
-        { "devpts",  "/dev/pts",          "devpts",   NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
-        { "cgroup",  "/cgroup/debug",     "cgroup",   "debug",     MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
-        { "debugfs", "/sys/kernel/debug", "debugfs",  NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, false }
+        { "proc",        "/proc",                    "proc",        NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
+        { "sysfs",       "/sys",                     "sysfs",       NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
+        { "devtmps",     "/dev",                     "devtmpfs",    "mode=755",  MS_NOSUID,                    true },
+        { "tmpfs",       "/dev/shm",                 "tmpfs",       "mode=1777", MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
+        { "devpts",      "/dev/pts",                 "devpts",      NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
+        { "cgroup",      "/cgroup/debug",            "cgroup",      "debug",     MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
+        { "debugfs",     "/sys/kernel/debug",        "debugfs",     NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
+        { "binfmt_misc", "/proc/sys/fs/binfmt_misc", "binfmt_misc", NULL,        MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
 };
 
 bool mount_point_is_api(const char *path) {
@@ -61,32 +62,7 @@ bool mount_point_is_api(const char *path) {
                 if (path_startswith(path, mount_table[i].where))
                         return true;
 
-        return false;
-}
-
-static int is_mount_point(const char *t) {
-        struct stat a, b;
-        char *copy;
-
-        if (lstat(t, &a) < 0) {
-
-                if (errno == ENOENT)
-                        return 0;
-
-                return -errno;
-        }
-
-        if (!(copy = strdup(t)))
-                return -ENOMEM;
-
-        if (lstat(dirname(copy), &b) < 0) {
-                free(copy);
-                return -errno;
-        }
-
-        free(copy);
-
-        return a.st_dev != b.st_dev;
+        return path_startswith(path, "/cgroup/");
 }
 
 static int mount_one(const MountPoint *p) {
@@ -94,7 +70,7 @@ static int mount_one(const MountPoint *p) {
 
         assert(p);
 
-        if ((r = is_mount_point(p->where)) < 0)
+        if ((r = path_is_mount_point(p->where)) < 0)
                 return r;
 
         if (r > 0)