diff options
Diffstat (limited to 'utils/mountd/auth.c')
| -rw-r--r-- | utils/mountd/auth.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/utils/mountd/auth.c b/utils/mountd/auth.c index 330cab5..894a7a5 100644 --- a/utils/mountd/auth.c +++ b/utils/mountd/auth.c @@ -85,7 +85,7 @@ auth_reload() { struct stat stb; static ino_t last_inode; - static int last_fd; + static int last_fd = -1; static unsigned int counter; int fd; @@ -93,11 +93,22 @@ auth_reload() xlog(L_FATAL, "couldn't open %s", _PATH_ETAB); } else if (fstat(fd, &stb) < 0) { xlog(L_FATAL, "couldn't stat %s", _PATH_ETAB); - } else if (stb.st_ino == last_inode) { + close(fd); + } else if (last_fd != -1 && stb.st_ino == last_inode) { + /* We opened the etab file before, and its inode + * number hasn't changed since then. + */ close(fd); return counter; } else { - close(last_fd); + /* Need to process entries from the etab file. Close + * the file descriptor from the previous open (last_fd), + * and keep the current file descriptor open to prevent + * the file system reusing the current inode number + * (last_inode). + */ + if (last_fd != -1) + close(last_fd); last_fd = fd; last_inode = stb.st_ino; } |