[CRYPTO] api: Added spawns

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / crypto / cryptomgr.c

diff --git a/crypto/cryptomgr.c b/crypto/cryptomgr.c
index ae54942..9b5b156 100644 (file)
--- a/crypto/cryptomgr.c
+++ b/crypto/cryptomgr.c
@@ -17,6 +17,7 @@
 #include <linux/module.h>
 #include <linux/notifier.h>
 #include <linux/rtnetlink.h>
+#include <linux/sched.h>
 #include <linux/string.h>
 #include <linux/workqueue.h>
 
@@ -44,21 +45,25 @@ static void cryptomgr_probe(void *data)
        struct cryptomgr_param *param = data;
        struct crypto_template *tmpl;
        struct crypto_instance *inst;
+       int err;
 
        tmpl = crypto_lookup_template(param->template);
        if (!tmpl)
                goto err;
 
-       inst = tmpl->alloc(&param->alg, sizeof(param->alg));
-       if (IS_ERR(inst))
-               goto err;
-       else if ((err = crypto_register_instance(tmpl, inst))) {
-               tmpl->free(inst);
-               goto err;
-       }
+       do {
+               inst = tmpl->alloc(&param->alg, sizeof(param->alg));
+               if (IS_ERR(inst))
+                       err = PTR_ERR(inst);
+               else if ((err = crypto_register_instance(tmpl, inst)))
+                       tmpl->free(inst);
+       } while (err == -EAGAIN && !signal_pending(current));
 
        crypto_tmpl_put(tmpl);
 
+       if (err)
+               goto err;
+
 out:
        kfree(param);
        return;