From 31e1d2608752fea583c1afe73e15bf391b17edfe Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Tue, 22 Jan 2019 16:14:21 +0100
Subject: [PATCH] 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>
---
drivers/crypto/ccp/ccp-debugfs.c | 36 +++++++-------------------------
1 file changed, 7 insertions(+), 29 deletions(-)
diff --git a/drivers/crypto/ccp/ccp-debugfs.c b/drivers/crypto/ccp/ccp-debugfs.c
index 1a734bd2070a2..4bd26af7098df 100644
--- 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)
--
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