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-rw-r--r--crypto/ahash.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c
index f732dd9dedf9..a64c143165b1 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -92,13 +92,14 @@ int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err)
if (nbytes && walk->offset & alignmask && !err) {
walk->offset = ALIGN(walk->offset, alignmask + 1);
- walk->data += walk->offset;
-
nbytes = min(nbytes,
((unsigned int)(PAGE_SIZE)) - walk->offset);
walk->entrylen -= nbytes;
- return nbytes;
+ if (nbytes) {
+ walk->data += walk->offset;
+ return nbytes;
+ }
}
if (walk->flags & CRYPTO_ALG_ASYNC)