[PATCH] crypto: cbc - fix coding style

[Zhiqi Song]

Fixed following checkpatch error:
- do not use assignment in if condition

Signed-off-by: Zhiqi Song <songzhiqi1@xxxxxxxxxx>
---
 crypto/cbc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/crypto/cbc.c b/crypto/cbc.c
index 6c03e96..152d48d 100644
--- a/crypto/cbc.c
+++ b/crypto/cbc.c
@@ -140,7 +140,8 @@ static int crypto_cbc_decrypt_inplace(struct skcipher_walk *walk,
 
 	for (;;) {
 		fn(tfm, src, src);
-		if ((nbytes -= bsize) < bsize)
+		nbytes -= bsize;
+		if (nbytes < bsize)
 			break;
 		crypto_xor(src, src - bsize, bsize);
 		src -= bsize;
-- 
2.7.4