crypto: padlock - Use zero page instead of stack buffer

Use desc instead of a stack buffer in the final function.  This
fixes a compiler warning about buf being uninitialised.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/padlock-sha.c b/drivers/crypto/padlock-sha.c
index 6865c7f1fc1a2343611ed56fd561461bf5d7ec23..db9e84c0c9fb2bdeff72fb32dd71488673bdcba9 100644 (file)
--- a/drivers/crypto/padlock-sha.c
+++ b/drivers/crypto/padlock-sha.c
@@ -125,7 +125,7 @@ out:
 
 static int padlock_sha1_final(struct shash_desc *desc, u8 *out)
 {
-       u8 buf[4];
+       const u8 *buf = (void *)desc;
 
        return padlock_sha1_finup(desc, buf, 0, out);
 }
@@ -186,7 +186,7 @@ out:
 
 static int padlock_sha256_final(struct shash_desc *desc, u8 *out)
 {
-       u8 buf[4];
+       const u8 *buf = (void *)desc;
 
        return padlock_sha256_finup(desc, buf, 0, out);
 }