aboutsummaryrefslogtreecommitdiff
path: root/drivers/crypto/cavium
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-22 16:14:19 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2019-02-01 14:42:03 +0800
commite30886b47c43046a310797b139f741c01600f39a (patch)
tree818953988da0f971dac1a30cf5b26861ca7058ee /drivers/crypto/cavium
parent6de599be95fd203a3035c3fcd53a5f73916b6064 (diff)
downloadlinux-e30886b47c43046a310797b139f741c01600f39a.tar.gz
crypto: cavium/zip - 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: Herbert Xu <herbert@gondor.apana.org.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: Robert Richter <rrichter@cavium.com> Cc: Jan Glauber <jglauber@cavium.com> Cc: linux-crypto@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Jan Glauber <jglauber@cavium.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/cavium')
-rw-r--r--drivers/crypto/cavium/zip/zip_main.c52
1 files changed, 11 insertions, 41 deletions
diff --git a/drivers/crypto/cavium/zip/zip_main.c b/drivers/crypto/cavium/zip/zip_main.c
index be055b9547f6..e6b09e784e66 100644
--- a/drivers/crypto/cavium/zip/zip_main.c
+++ b/drivers/crypto/cavium/zip/zip_main.c
@@ -618,41 +618,23 @@ static const struct file_operations zip_regs_fops = {
/* Root directory for thunderx_zip debugfs entry */
static struct dentry *zip_debugfs_root;
-static int __init zip_debugfs_init(void)
+static void __init zip_debugfs_init(void)
{
- struct dentry *zip_stats, *zip_clear, *zip_regs;
-
if (!debugfs_initialized())
- return -ENODEV;
+ return;
zip_debugfs_root = debugfs_create_dir("thunderx_zip", NULL);
- if (!zip_debugfs_root)
- return -ENOMEM;
/* Creating files for entries inside thunderx_zip directory */
- zip_stats = debugfs_create_file("zip_stats", 0444,
- zip_debugfs_root,
- NULL, &zip_stats_fops);
- if (!zip_stats)
- goto failed_to_create;
-
- zip_clear = debugfs_create_file("zip_clear", 0444,
- zip_debugfs_root,
- NULL, &zip_clear_fops);
- if (!zip_clear)
- goto failed_to_create;
-
- zip_regs = debugfs_create_file("zip_regs", 0444,
- zip_debugfs_root,
- NULL, &zip_regs_fops);
- if (!zip_regs)
- goto failed_to_create;
+ debugfs_create_file("zip_stats", 0444, zip_debugfs_root, NULL,
+ &zip_stats_fops);
- return 0;
+ debugfs_create_file("zip_clear", 0444, zip_debugfs_root, NULL,
+ &zip_clear_fops);
+
+ debugfs_create_file("zip_regs", 0444, zip_debugfs_root, NULL,
+ &zip_regs_fops);
-failed_to_create:
- debugfs_remove_recursive(zip_debugfs_root);
- return -ENOENT;
}
static void __exit zip_debugfs_exit(void)
@@ -661,13 +643,8 @@ static void __exit zip_debugfs_exit(void)
}
#else
-static int __init zip_debugfs_init(void)
-{
- return 0;
-}
-
+static void __init zip_debugfs_init(void) { }
static void __exit zip_debugfs_exit(void) { }
-
#endif
/* debugfs - end */
@@ -691,17 +668,10 @@ static int __init zip_init_module(void)
}
/* comp-decomp statistics are handled with debugfs interface */
- ret = zip_debugfs_init();
- if (ret < 0) {
- zip_err("ZIP: debugfs initialization failed\n");
- goto err_crypto_unregister;
- }
+ zip_debugfs_init();
return ret;
-err_crypto_unregister:
- zip_unregister_compression_device();
-
err_pci_unregister:
pci_unregister_driver(&zip_driver);
return ret;