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>
mariux64 · Jul 18, 2016 · 2ee732d · 2ee732d
1 parent 28cf86f
commit 2ee732d
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
@@ -33,9 +33,6 @@ static inline void memcpy_dir(void *buf, void *sgdata, size_t nbytes, int out)
 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);