crypto: marvell - Use kzfree rather than its implementation

xiongzhongjiang · herbertx · commit 18a0bb4aca81 · 2019-09-09T23:48:40.000+10:00
Use kzfree instead of memset() + kfree().

Signed-off-by: zhong jiang &lt;zhongjiang@huawei.com&gt;
Signed-off-by: Herbert Xu &lt;herbert@gondor.apana.org.au&gt;
diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c
@@ -1148,8 +1148,7 @@ static int mv_cesa_ahmac_pad_init(struct ahash_request *req,
 		}
 
 		/* Set the memory region to 0 to avoid any leak. */
-		memset(keydup, 0, keylen);
-		kfree(keydup);
+		kzfree(keydup);
 
 		if (ret)
 			return ret;

Original file line number	Diff line number	Diff line change
`@@ -1148,8 +1148,7 @@ static int mv_cesa_ahmac_pad_init(struct ahash_request *req,`
`1148`	`1148`	`}`
`1149`	`1149`
`1150`	`1150`	`/* Set the memory region to 0 to avoid any leak. */`
`1151`		`- memset(keydup, 0, keylen);`
`1152`		`- kfree(keydup);`
	`1151`	`+ kzfree(keydup);`
`1153`	`1152`
`1154`	`1153`	`if (ret)`
`1155`	`1154`	`return ret;`