diff options
| -rw-r--r-- | mm/shmem.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index f484c276e994..91b912b37b8c 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1724,6 +1724,9 @@ static long shmem_fallocate(struct file *file, int mode, loff_t offset, pgoff_t start, index, end; int error; + if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE)) + return -EOPNOTSUPP; + mutex_lock(&inode->i_mutex); if (mode & FALLOC_FL_PUNCH_HOLE) { |