xfs: several xattr functions can be void

There are a handful of xattr functions which now return
nothing but zero.  They can be made void, chased through calling
functions, and error handling etc can be removed.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>

1 files changed, 22 insertions, 37 deletions

diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c
index 25e76cd6c053..97c45b6eb91e 100644
--- a/fs/xfs/xfs_attr_list.c
+++ b/fs/xfs/xfs_attr_list.c
@@ -74,7 +74,6 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context)
 	xfs_attr_sf_entry_t *sfe;
 	xfs_inode_t *dp;
 	int sbsize, nsbuf, count, i;
-	int error;
 
 	ASSERT(context != NULL);
 	dp = context->dp;
@@ -102,13 +101,11 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context)
 	    (XFS_ISRESET_CURSOR(cursor) &&
              (dp->i_afp->if_bytes + sf->hdr.count * 16) < context->bufsize)) {
 		for (i = 0, sfe = &sf->list[0]; i < sf->hdr.count; i++) {
-			error = context->put_listent(context,
-					   sfe->flags,
-					   sfe->nameval,
-					   (int)sfe->namelen,
-					   (int)sfe->valuelen);
-			if (error)
-				return error;
+			context->put_listent(context,
+					     sfe->flags,
+					     sfe->nameval,
+					     (int)sfe->namelen,
+					     (int)sfe->valuelen);
 			/*
 			 * Either search callback finished early or
 			 * didn't fit it all in the buffer after all.
@@ -193,15 +190,11 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context)
 			cursor->hashval = sbp->hash;
 			cursor->offset = 0;
 		}
-		error = context->put_listent(context,
-					sbp->flags,
-					sbp->name,
-					sbp->namelen,
-					sbp->valuelen);
-		if (error) {
-			kmem_free(sbuf);
-			return error;
-		}
+		context->put_listent(context,
+				     sbp->flags,
+				     sbp->name,
+				     sbp->namelen,
+				     sbp->valuelen);
 		if (context->seen_enough)
 			break;
 		cursor->offset++;
@@ -335,11 +328,7 @@ xfs_attr_node_list(xfs_attr_list_context_t *context)
 	 */
 	for (;;) {
 		leaf = bp->b_addr;
-		error = xfs_attr3_leaf_list_int(bp, context);
-		if (error) {
-			xfs_trans_brelse(NULL, bp);
-			return error;
-		}
+		xfs_attr3_leaf_list_int(bp, context);
 		xfs_attr3_leaf_hdr_from_disk(mp->m_attr_geo, &leafhdr, leaf);
 		if (context->seen_enough || leafhdr.forw == 0)
 			break;
@@ -356,7 +345,7 @@ xfs_attr_node_list(xfs_attr_list_context_t *context)
 /*
  * Copy out attribute list entries for attr_list(), for leaf attribute lists.
  */
-int
+void
 xfs_attr3_leaf_list_int(
 	struct xfs_buf			*bp,
 	struct xfs_attr_list_context	*context)
@@ -366,7 +355,6 @@ xfs_attr3_leaf_list_int(
 	struct xfs_attr3_icleaf_hdr	ichdr;
 	struct xfs_attr_leaf_entry	*entries;
 	struct xfs_attr_leaf_entry	*entry;
-	int				retval;
 	int				i;
 	struct xfs_mount		*mp = context->dp->i_mount;
 
@@ -399,7 +387,7 @@ xfs_attr3_leaf_list_int(
 		}
 		if (i == ichdr.count) {
 			trace_xfs_attr_list_notfound(context);
-			return 0;
+			return;
 		}
 	} else {
 		entry = &entries[0];
@@ -410,7 +398,6 @@ xfs_attr3_leaf_list_int(
 	/*
 	 * We have found our place, start copying out the new attributes.
 	 */
-	retval = 0;
 	for (; i < ichdr.count; entry++, i++) {
 		char *name;
 		int namelen, valuelen;
@@ -439,16 +426,14 @@ xfs_attr3_leaf_list_int(
 			valuelen = be32_to_cpu(name_rmt->valuelen);
 		}
 
-		retval = context->put_listent(context, entry->flags,
+		context->put_listent(context, entry->flags,
 					      name, namelen, valuelen);
-		if (retval)
-			break;
 		if (context->seen_enough)
 			break;
 		cursor->offset++;
 	}
 	trace_xfs_attr_list_leaf_end(context);
-	return retval;
+	return;
 }
 
 /*
@@ -467,9 +452,9 @@ xfs_attr_leaf_list(xfs_attr_list_context_t *context)
 	if (error)
 		return error;
 
-	error = xfs_attr3_leaf_list_int(bp, context);
+	xfs_attr3_leaf_list_int(bp, context);
 	xfs_trans_brelse(NULL, bp);
-	return error;
+	return 0;
 }
 
 int
@@ -513,7 +498,7 @@ xfs_attr_list_int(
  * Take care to check values and protect against them changing later,
  * we may be reading them directly out of a user buffer.
  */
-STATIC int
+STATIC void
 xfs_attr_put_listent(
 	xfs_attr_list_context_t *context,
 	int		flags,
@@ -536,10 +521,10 @@ xfs_attr_put_listent(
 	 */
 	if (((context->flags & ATTR_SECURE) == 0) !=
 	    ((flags & XFS_ATTR_SECURE) == 0))
-		return 0;
+		return;
 	if (((context->flags & ATTR_ROOT) == 0) !=
 	    ((flags & XFS_ATTR_ROOT) == 0))
-		return 0;
+		return;
 
 	arraytop = sizeof(*alist) +
 			context->count * sizeof(alist->al_offset[0]);
@@ -548,7 +533,7 @@ xfs_attr_put_listent(
 		trace_xfs_attr_list_full(context);
 		alist->al_more = 1;
 		context->seen_enough = 1;
-		return 0;
+		return;
 	}
 
 	aep = (attrlist_ent_t *)&context->alist[context->firstu];
@@ -558,7 +543,7 @@ xfs_attr_put_listent(
 	alist->al_offset[context->count++] = context->firstu;
 	alist->al_count = context->count;
 	trace_xfs_attr_list_add(context);
-	return 0;
+	return;
 }
 
 /*