diff options
Diffstat (limited to 'src/shared')
| -rw-r--r-- | src/shared/util.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/shared/util.c b/src/shared/util.c index 6d826b6f5e..4cf928f83a 100644 --- a/src/shared/util.c +++ b/src/shared/util.c @@ -3400,6 +3400,12 @@ int rm_rf_children_dangerous(int fd, bool only_dirs, bool honour_sticky, struct return ret; } +static int is_temporary_fs(struct statfs *s) { + assert(s); + return s->f_type == TMPFS_MAGIC || + (long)s->f_type == (long)RAMFS_MAGIC; +} + int rm_rf_children(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev) { struct statfs s; @@ -3413,9 +3419,7 @@ int rm_rf_children(int fd, bool only_dirs, bool honour_sticky, struct stat *root /* We refuse to clean disk file systems with this call. This * is extra paranoia just to be sure we never ever remove * non-state data */ - - if (s.f_type != TMPFS_MAGIC && - s.f_type != RAMFS_MAGIC) { + if (!is_temporary_fs(&s)) { log_error("Attempted to remove disk file system, and we can't allow that."); close_nointr_nofail(fd); return -EPERM; @@ -3448,8 +3452,7 @@ static int rm_rf_internal(const char *path, bool only_dirs, bool delete_root, bo if (statfs(path, &s) < 0) return -errno; - if (s.f_type != TMPFS_MAGIC && - s.f_type != RAMFS_MAGIC) { + if (!is_temporary_fs(&s)) { log_error("Attempted to remove disk file system, and we can't allow that."); return -EPERM; } @@ -3468,8 +3471,7 @@ static int rm_rf_internal(const char *path, bool only_dirs, bool delete_root, bo return -errno; } - if (s.f_type != TMPFS_MAGIC && - s.f_type != RAMFS_MAGIC) { + if (!is_temporary_fs(&s)) { log_error("Attempted to remove disk file system, and we can't allow that."); close_nointr_nofail(fd); return -EPERM; @@ -5767,7 +5769,7 @@ bool in_initrd(void) { saved = access("/etc/initrd-release", F_OK) >= 0 && statfs("/", &s) >= 0 && - (s.f_type == TMPFS_MAGIC || s.f_type == RAMFS_MAGIC); + is_temporary_fs(&s); return saved; } |