Merge branch 'for-4.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj...

[cascardo/linux.git] / fs / cifs / smb2inode.c

diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c
index 4f0231e..1238cd3 100644 (file)
--- a/fs/cifs/smb2inode.c
+++ b/fs/cifs/smb2inode.c
@@ -266,9 +266,15 @@ smb2_set_file_info(struct inode *inode, const char *full_path,
        struct tcon_link *tlink;
        int rc;
 
+       if ((buf->CreationTime == 0) && (buf->LastAccessTime == 0) &&
+           (buf->LastWriteTime == 0) && (buf->ChangeTime) &&
+           (buf->Attributes == 0))
+               return 0; /* would be a no op, no sense sending this */
+
        tlink = cifs_sb_tlink(cifs_sb);
        if (IS_ERR(tlink))
                return PTR_ERR(tlink);
+
        rc = smb2_open_op_close(xid, tlink_tcon(tlink), cifs_sb, full_path,
                                FILE_WRITE_ATTRIBUTES, FILE_OPEN, 0, buf,
                                SMB2_OP_SET_INFO);