commit 2ee732d57496b8365819dfb958bc1ff04fcd4cac
author Herbert Xu <herbert@gondor.apana.org.au> Tue Jul 12 13:17:59 2016 +0800
committer Herbert Xu <herbert@gondor.apana.org.au> Mon Jul 18 17:35:50 2016 +0800
tree 4055b6a618c12bd2e515288ff782ee1efd809b39
parent 28cf86fafdd663cfcad3c5a5fe9869f1fa01b472

crypto: scatterwalk - Remove unnecessary BUG in scatterwalk_start

Nothing bad will happen even if sg->length is zero, so there is
no point in keeping this BUG_ON in scatterwalk_start.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/scatterwalk.c

diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index 2ec5368..ddffbb3 100644
--- a/crypto/scatterwalk.c
+++ b/crypto/scatterwalk.c
@@ -33,9 +33,6 @@
 void scatterwalk_start(struct scatter_walk *walk, struct scatterlist *sg)
 {
 	walk->sg = sg;
-
-	BUG_ON(!sg->length);
-
 	walk->offset = sg->offset;
 }
 EXPORT_SYMBOL_GPL(scatterwalk_start);