diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/file.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c index ca270f49e6aa..7c7ef7ec908e 100644 --- a/drivers/staging/lustre/lustre/llite/file.c +++ b/drivers/staging/lustre/lustre/llite/file.c @@ -1553,6 +1553,11 @@ ll_get_grouplock(struct inode *inode, struct file *file, unsigned long arg) struct ccc_grouplock grouplock; int rc; + if (arg == 0) { + CWARN("group id for group lock must not be 0\n"); + return -EINVAL; + } + if (ll_file_nolock(file)) return -EOPNOTSUPP; |