crypto: omap-aes - Fix registration of algorithms

Algorithms can be registered only once. So skip registration of
algorithms if already registered (i.e. in case we have two AES cores
in the system.)

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 10 insertions, 8 deletions

diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index ce174d3b842c..4a0e6a545ba2 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -1185,17 +1185,19 @@ static int omap_aes_probe(struct platform_device *pdev)
         spin_unlock(&list_lock);
 
         for (i = 0; i < dd->pdata->algs_info_size; i++) {
-                for (j = 0; j < dd->pdata->algs_info[i].size; j++) {
-                        algp = &dd->pdata->algs_info[i].algs_list[j];
+                if (!dd->pdata->algs_info[i].registered) {
+                        for (j = 0; j < dd->pdata->algs_info[i].size; j++) {
+                                algp = &dd->pdata->algs_info[i].algs_list[j];
 
-                        pr_debug("reg alg: %s\n", algp->cra_name);
-                        INIT_LIST_HEAD(&algp->cra_list);
+                                pr_debug("reg alg: %s\n", algp->cra_name);
+                                INIT_LIST_HEAD(&algp->cra_list);
 
-                        err = crypto_register_alg(algp);
-                        if (err)
-                                goto err_algs;
+                                err = crypto_register_alg(algp);
+                                if (err)
+                                        goto err_algs;
 
-                        dd->pdata->algs_info[i].registered++;
+                                dd->pdata->algs_info[i].registered++;
+                        }
                 }
         }