diff options
| -rw-r--r-- | fs/smb/server/vfs.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/smb/server/vfs.c b/fs/smb/server/vfs.c index 891ed2dc2b73..90e693e4e414 100644 --- a/fs/smb/server/vfs.c +++ b/fs/smb/server/vfs.c @@ -324,6 +324,9 @@ static int check_lock_range(struct file *filp, loff_t start, loff_t end, struct file_lock_context *ctx = locks_inode_context(file_inode(filp)); int error = 0; + if (start == end) + return 0; + if (!ctx || list_empty_careful(&ctx->flc_posix)) return 0; @@ -828,7 +831,7 @@ int ksmbd_vfs_truncate(struct ksmbd_work *work, if (size < inode->i_size) { err = check_lock_range(filp, size, inode->i_size - 1, WRITE); - } else { + } else if (size > inode->i_size) { err = check_lock_range(filp, inode->i_size, size - 1, WRITE); } |