diff options
Diffstat (limited to 'libdiskfs/file-getfh.c')
| -rw-r--r-- | libdiskfs/file-getfh.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libdiskfs/file-getfh.c b/libdiskfs/file-getfh.c index 140373c4..2ff066b5 100644 --- a/libdiskfs/file-getfh.c +++ b/libdiskfs/file-getfh.c @@ -45,8 +45,11 @@ diskfs_S_file_getfh (struct protid *cred, data_t *fh, pthread_mutex_lock (&node->lock); if (*fh_len < sizeof (union diskfs_fhandle)) - *fh = mmap (0, sizeof (union diskfs_fhandle), PROT_READ|PROT_WRITE, - MAP_ANON, 0, 0); + { + *fh = mmap (0, sizeof (union diskfs_fhandle), PROT_READ|PROT_WRITE, + MAP_ANON, 0, 0); + assert_backtrace (*fh != MAP_FAILED); + } *fh_len = sizeof *f; f = (union diskfs_fhandle *) *fh; |