xfs: use xfs_attr_sf_findname in xfs_attr_shortform_getvalue

xfs_attr_shortform_getvalue duplicates the logic in xfs_attr_sf_findname.
Use the helper instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>

Author: Christoph Hellwig

fs/xfs/libxfs/xfs_attr_leaf.c

@@ -848,23 +848,17 @@ int
 xfs_attr_shortform_getvalue(
 	struct xfs_da_args		*args)
 {
-	struct xfs_attr_shortform	*sf = args->dp->i_af.if_data;
 	struct xfs_attr_sf_entry	*sfe;
-	int				i;
 
 	ASSERT(args->dp->i_af.if_format == XFS_DINODE_FMT_LOCAL);
 
 	trace_xfs_attr_sf_lookup(args);
 
-	sfe = &sf->list[0];
-	for (i = 0; i < sf->hdr.count;
-				sfe = xfs_attr_sf_nextentry(sfe), i++) {
-		if (xfs_attr_match(args, sfe->namelen, sfe->nameval,
-				sfe->flags))
-			return xfs_attr_copy_value(args,
-				&sfe->nameval[args->namelen], sfe->valuelen);
-	}
-	return -ENOATTR;
+	sfe = xfs_attr_sf_findname(args);
+	if (!sfe)
+		return -ENOATTR;
+	return xfs_attr_copy_value(args, &sfe->nameval[args->namelen],
+			sfe->valuelen);
 }
 
 /* Convert from using the shortform to the leaf format. */