crypto: ccp - no need to check return value of debugfs_create functions

When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Gary Hook <gary.hook@amd.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-crypto@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/ccp/ccp-debugfs.c b/drivers/crypto/ccp/ccp-debugfs.c
index 1a734bd2070a249ef00eb49150c3519eec31e4ec..4bd26af7098df1add749ce02069b900d6e037dc1 100644 (file)
--- a/drivers/crypto/ccp/ccp-debugfs.c
+++ b/drivers/crypto/ccp/ccp-debugfs.c
@@ -286,10 +286,7 @@ void ccp5_debugfs_setup(struct ccp_device *ccp)
 {
        struct ccp_cmd_queue *cmd_q;
        char name[MAX_NAME_LEN + 1];
-       struct dentry *debugfs_info;
-       struct dentry *debugfs_stats;
        struct dentry *debugfs_q_instance;
-       struct dentry *debugfs_q_stats;
        int i;
 
        if (!debugfs_initialized())
@@ -299,24 +296,14 @@ void ccp5_debugfs_setup(struct ccp_device *ccp)
        if (!ccp_debugfs_dir)
                ccp_debugfs_dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
        mutex_unlock(&ccp_debugfs_lock);
-       if (!ccp_debugfs_dir)
-               return;
 
        ccp->debugfs_instance = debugfs_create_dir(ccp->name, ccp_debugfs_dir);
-       if (!ccp->debugfs_instance)
-               goto err;
 
-       debugfs_info = debugfs_create_file("info", 0400,
-                                          ccp->debugfs_instance, ccp,
-                                          &ccp_debugfs_info_ops);
-       if (!debugfs_info)
-               goto err;
+       debugfs_create_file("info", 0400, ccp->debugfs_instance, ccp,
+                           &ccp_debugfs_info_ops);
 
-       debugfs_stats = debugfs_create_file("stats", 0600,
-                                           ccp->debugfs_instance, ccp,
-                                           &ccp_debugfs_stats_ops);
-       if (!debugfs_stats)
-               goto err;
+       debugfs_create_file("stats", 0600, ccp->debugfs_instance, ccp,
+                           &ccp_debugfs_stats_ops);
 
        for (i = 0; i < ccp->cmd_q_count; i++) {
                cmd_q = &ccp->cmd_q[i];
@@ -325,21 +312,12 @@ void ccp5_debugfs_setup(struct ccp_device *ccp)
 
                debugfs_q_instance =
                        debugfs_create_dir(name, ccp->debugfs_instance);
-               if (!debugfs_q_instance)
-                       goto err;
-
-               debugfs_q_stats =
-                       debugfs_create_file("stats", 0600,
-                                           debugfs_q_instance, cmd_q,
-                                           &ccp_debugfs_queue_ops);
-               if (!debugfs_q_stats)
-                       goto err;
+
+               debugfs_create_file("stats", 0600, debugfs_q_instance, cmd_q,
+                                   &ccp_debugfs_queue_ops);
        }
 
        return;
-
-err:
-       debugfs_remove_recursive(ccp->debugfs_instance);
 }
 
 void ccp5_debugfs_destroy(void)