diff options
| -rw-r--r-- | fs/cifs/CHANGES | 5 | ||||
| -rw-r--r-- | fs/cifs/file.c | 3 |
2 files changed, 6 insertions, 2 deletions
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index bed6215c0794..41e3b6a9397c 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -6,7 +6,10 @@ done with "serverino" mount option). Add support for POSIX Unlink Samba supports newer POSIX CIFS Protocol Extensions). Add "nounix" mount option to allow disabling the CIFS Unix Extensions for just that mount. Fix hang on spinlock in find_writable_file (race when -reopening file after session crash). +reopening file after session crash). Byte range unlock request to +windows server could unlock more bytes (on server copy of file) +than intended if start of unlock request is well before start of +a previous byte range lock that we issued. Version 1.49 ------------ diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 894b1f7b299d..f9bd8b83f40e 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -767,7 +767,8 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock) mutex_lock(&fid->lock_mutex); list_for_each_entry_safe(li, tmp, &fid->llist, llist) { if (pfLock->fl_start <= li->offset && - length >= li->length) { + (pflock->fl_start + length) >= + (li->offset + li->length)) { stored_rc = CIFSSMBLock(xid, pTcon, netfid, li->length, li->offset, |