staging: ccree: remove comparisons to NULL

[karo-tx-linux.git] / drivers / staging / ccree / ssi_hash.c

diff --git a/drivers/staging/ccree/ssi_hash.c b/drivers/staging/ccree/ssi_hash.c
index 265df94989da47dcb5e8e6cc50a08b716b839bef..7a70d87a215bd6c5a31302eee5036b9ed02f621b 100644 (file)
--- a/drivers/staging/ccree/ssi_hash.c
+++ b/drivers/staging/ccree/ssi_hash.c
@@ -297,17 +297,17 @@ fail2:
 fail1:
         kfree(state->digest_buff);
 fail_digest_result_buff:
-        if (state->digest_result_buff != NULL) {
+        if (state->digest_result_buff) {
                 kfree(state->digest_result_buff);
             state->digest_result_buff = NULL;
         }
 fail_buff1:
-        if (state->buff1 != NULL) {
+        if (state->buff1) {
                 kfree(state->buff1);
             state->buff1 = NULL;
         }
 fail_buff0:
-        if (state->buff0 != NULL) {
+        if (state->buff0) {
                 kfree(state->buff0);
             state->buff0 = NULL;
         }
@@ -2249,7 +2249,7 @@ int ssi_hash_alloc(struct ssi_drvdata *drvdata)
        int alg;
 
        hash_handle = kzalloc(sizeof(struct ssi_hash_handle), GFP_KERNEL);
-       if (hash_handle == NULL) {
+       if (!hash_handle) {
                SSI_LOG_ERR("kzalloc failed to allocate %zu B\n",
                        sizeof(struct ssi_hash_handle));
                rc = -ENOMEM;
@@ -2343,7 +2343,7 @@ int ssi_hash_alloc(struct ssi_drvdata *drvdata)
 
 fail:
 
-       if (drvdata->hash_handle != NULL) {
+       if (drvdata->hash_handle) {
                kfree(drvdata->hash_handle);
                drvdata->hash_handle = NULL;
        }
@@ -2355,7 +2355,7 @@ int ssi_hash_free(struct ssi_drvdata *drvdata)
        struct ssi_hash_alg *t_hash_alg, *hash_n;
        struct ssi_hash_handle *hash_handle = drvdata->hash_handle;
 
-       if (hash_handle != NULL) {
+       if (hash_handle) {
                list_for_each_entry_safe(t_hash_alg, hash_n, &hash_handle->hash_list, entry) {
                        crypto_unregister_ahash(&t_hash_alg->ahash_alg);
                        list_del(&t_hash_alg->entry);