From: Kim Phillips <kim.phillips@freescale.com>
Date: Tue, 26 Mar 2013 23:10:14 +0000 (-0500)
Subject: crypto: caam - change key gen functions to return signed int
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=66b3e8879f42a571e6779a6c4e5ed486aaaf6fef;p=linux-beck.git

crypto: caam - change key gen functions to return signed int

commit 2af8f4a "crypto: caam - coccicheck fixes" added error
return values yet neglected to change the type from unsigned.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index 32aba7a61503..5996521a1caf 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -411,7 +411,7 @@ static int ahash_set_sh_desc(struct crypto_ahash *ahash)
 	return 0;
 }
 
-static u32 gen_split_hash_key(struct caam_hash_ctx *ctx, const u8 *key_in,
+static int gen_split_hash_key(struct caam_hash_ctx *ctx, const u8 *key_in,
 			      u32 keylen)
 {
 	return gen_split_key(ctx->jrdev, ctx->key, ctx->split_key_len,
@@ -420,7 +420,7 @@ static u32 gen_split_hash_key(struct caam_hash_ctx *ctx, const u8 *key_in,
 }
 
 /* Digest hash size if it is too large */
-static u32 hash_digest_key(struct caam_hash_ctx *ctx, const u8 *key_in,
+static int hash_digest_key(struct caam_hash_ctx *ctx, const u8 *key_in,
 			   u32 *keylen, u8 *key_out, u32 digestsize)
 {
 	struct device *jrdev = ctx->jrdev;
diff --git a/drivers/crypto/caam/key_gen.c b/drivers/crypto/caam/key_gen.c
index f6dba10246c3..87138d2adb5f 100644
--- a/drivers/crypto/caam/key_gen.c
+++ b/drivers/crypto/caam/key_gen.c
@@ -44,7 +44,7 @@ Split key generation-----------------------------------------------
 [06] 0x64260028    fifostr: class2 mdsplit-jdk len=40
 			@0xffe04000
 */
-u32 gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len,
+int gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len,
 		  int split_key_pad_len, const u8 *key_in, u32 keylen,
 		  u32 alg_op)
 {
diff --git a/drivers/crypto/caam/key_gen.h b/drivers/crypto/caam/key_gen.h
index d95d290c6e8b..c5588f6d8109 100644
--- a/drivers/crypto/caam/key_gen.h
+++ b/drivers/crypto/caam/key_gen.h
@@ -12,6 +12,6 @@ struct split_key_result {
 
 void split_key_done(struct device *dev, u32 *desc, u32 err, void *context);
 
-u32 gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len,
+int gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len,
 		    int split_key_pad_len, const u8 *key_in, u32 keylen,
 		    u32 alg_op);