crypto: drbg - constify drbg_state_ops structures

The drbg_state_ops structures are never modified, so declare them as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/crypto/drbg.c b/crypto/drbg.c
index a7c23146b87fe43bb4d84438e240e20caae27f17..ab6ef1d0856896e140580b93eb1ee5051b4e76ef 100644 (file)
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -626,7 +626,7 @@ out:
        return len;
 }
 
-static struct drbg_state_ops drbg_ctr_ops = {
+static const struct drbg_state_ops drbg_ctr_ops = {
        .update         = drbg_ctr_update,
        .generate       = drbg_ctr_generate,
        .crypto_init    = drbg_init_sym_kernel,
@@ -752,7 +752,7 @@ static int drbg_hmac_generate(struct drbg_state *drbg,
        return len;
 }
 
-static struct drbg_state_ops drbg_hmac_ops = {
+static const struct drbg_state_ops drbg_hmac_ops = {
        .update         = drbg_hmac_update,
        .generate       = drbg_hmac_generate,
        .crypto_init    = drbg_init_hash_kernel,
@@ -1032,7 +1032,7 @@ out:
  * scratchpad usage: as update and generate are used isolated, both
  * can use the scratchpad
  */
-static struct drbg_state_ops drbg_hash_ops = {
+static const struct drbg_state_ops drbg_hash_ops = {
        .update         = drbg_hash_update,
        .generate       = drbg_hash_generate,
        .crypto_init    = drbg_init_hash_kernel,