From: Gary R Hook <gary.hook@amd.com>
To: linux-crypto@vger.kernel.org
Cc: thomas.lendacky@amd.com, herbert@gondor.apana.org.au,
davem@davemloft.net
Subject: [PATCH v3] crypto: ccp - Provide an error path for debugfs setup failure
Date: Wed, 28 Jun 2017 11:56:47 -0500 [thread overview]
Message-ID: <20170628165504.27611.6825.stgit@taos.amd.com> (raw)
Changes since v2:
- On failure remove only the DebugFS heirarchy for this device
Changes since v1:
- Remove unneeded local variable
Signed-off-by: Gary R Hook <gary.hook@amd.com>
---
drivers/crypto/ccp/ccp-debugfs.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/crypto/ccp/ccp-debugfs.c b/drivers/crypto/ccp/ccp-debugfs.c
index 3cd6c83754e0..59d4ca4e72d8 100644
--- a/drivers/crypto/ccp/ccp-debugfs.c
+++ b/drivers/crypto/ccp/ccp-debugfs.c
@@ -305,19 +305,19 @@ void ccp5_debugfs_setup(struct ccp_device *ccp)
ccp->debugfs_instance = debugfs_create_dir(ccp->name, ccp_debugfs_dir);
if (!ccp->debugfs_instance)
- return;
+ goto err;
debugfs_info = debugfs_create_file("info", 0400,
ccp->debugfs_instance, ccp,
&ccp_debugfs_info_ops);
if (!debugfs_info)
- return;
+ goto err;
debugfs_stats = debugfs_create_file("stats", 0600,
ccp->debugfs_instance, ccp,
&ccp_debugfs_stats_ops);
if (!debugfs_stats)
- return;
+ goto err;
for (i = 0; i < ccp->cmd_q_count; i++) {
cmd_q = &ccp->cmd_q[i];
@@ -327,15 +327,20 @@ void ccp5_debugfs_setup(struct ccp_device *ccp)
debugfs_q_instance =
debugfs_create_dir(name, ccp->debugfs_instance);
if (!debugfs_q_instance)
- return;
+ goto err;
debugfs_q_stats =
debugfs_create_file("stats", 0600,
debugfs_q_instance, cmd_q,
&ccp_debugfs_queue_ops);
if (!debugfs_q_stats)
- return;
+ goto err;
}
+
+ return;
+
+err:
+ debugfs_remove_recursive(ccp->debugfs_instance);
}
void ccp5_debugfs_destroy(void)
next reply other threads:[~2017-06-28 16:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-28 16:56 Gary R Hook [this message]
2017-07-18 10:36 ` [PATCH v3] crypto: ccp - Provide an error path for debugfs setup failure Herbert Xu
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