From: LABBE Corentin <clabbe.montjoie@gmail.com>
Date: Thu, 19 Nov 2015 12:38:17 +0000 (+0100)
Subject: crypto: sahara - set nb_[in|out]_sg as signed int
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f8e28a0dec1dad2f68d754340dd80f1685941a4b;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

crypto: sahara - set nb_[in|out]_sg as signed int

The two unsigned int variables nb_in_sg and nb_out_sg can be assigned
signed value (-EINVAL) from sg_nents_for_len().
Furthermore they are used only by dma_map_sg and dma_unmap_sg which wait
for an signed int, so they must be set as int.

Fixes: 6c2b74d4774f ("crypto: sahara - check return value of sg_nents_for_len")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c
index ea9f56a40d5a..cc738f3592a3 100644
--- a/drivers/crypto/sahara.c
+++ b/drivers/crypto/sahara.c
@@ -228,9 +228,9 @@ struct sahara_dev {
 
 	size_t			total;
 	struct scatterlist	*in_sg;
-	unsigned int		nb_in_sg;
+	int		nb_in_sg;
 	struct scatterlist	*out_sg;
-	unsigned int		nb_out_sg;
+	int		nb_out_sg;
 
 	u32			error;
 };