diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/ulockmgr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/ulockmgr.c b/lib/ulockmgr.c index 6703cd0..b875c50 100644 --- a/lib/ulockmgr.c +++ b/lib/ulockmgr.c @@ -400,6 +400,10 @@ int ulockmgr_op(int fd, int cmd, struct flock *lock, const void *owner, if (cmd != F_GETLK && cmd != F_SETLK && cmd != F_SETLKW) return -EINVAL; + if (lock->l_type != F_RDLCK && lock->l_type != F_WRLCK && + lock->l_type != F_UNLCK) + return -EINVAL; + if (lock->l_whence != SEEK_SET && lock->l_whence != SEEK_CUR && lock->l_whence != SEEK_END) return -EINVAL; |