diff options
| -rw-r--r-- | src/basic/mount-util.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/basic/mount-util.c b/src/basic/mount-util.c index 63dff3dd5c..b91f0f9e0e 100644 --- a/src/basic/mount-util.c +++ b/src/basic/mount-util.c @@ -534,15 +534,22 @@ int repeat_unmount(const char *path, int flags) { } const char* mode_to_inaccessible_node(mode_t mode) { + /* This function maps a node type to the correspondent inaccessible node type. + * Character and block inaccessible devices may not be created (because major=0 and minor=0), + * in such case we map character and block devices to the inaccessible node type socket. */ switch(mode & S_IFMT) { case S_IFREG: return "/run/systemd/inaccessible/reg"; case S_IFDIR: return "/run/systemd/inaccessible/dir"; case S_IFCHR: - return "/run/systemd/inaccessible/chr"; + if (access("/run/systemd/inaccessible/chr", F_OK) == 0) + return "/run/systemd/inaccessible/chr"; + return "/run/systemd/inaccessible/sock"; case S_IFBLK: - return "/run/systemd/inaccessible/blk"; + if (access("/run/systemd/inaccessible/blk", F_OK) == 0) + return "/run/systemd/inaccessible/blk"; + return "/run/systemd/inaccessible/sock"; case S_IFIFO: return "/run/systemd/inaccessible/fifo"; case S_IFSOCK: |