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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-22 18:21:21 +0300
committerLuca Coelho <luciano.coelho@intel.com>2019-02-20 21:47:56 +0300
commit5987dfde6f555248f4b6c83147ec9bc877cd6f4c (patch)
treeb0f280d9145c3133db20ea5b77b7ddd30e764fd5 /drivers/net/wireless/intel/iwlwifi
parent84caa1dd0092e7e57bd39df0e1b8791c7a756103 (diff)
downloadlinux-5987dfde6f555248f4b6c83147ec9bc877cd6f4c.tar.xz
iwlwifi: fw: 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: Johannes Berg <johannes.berg@intel.com> Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Cc: Luca Coelho <luciano.coelho@intel.com> Cc: Intel Linux Wireless <linuxwifi@intel.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: linux-wireless@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/debugfs.c11
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/debugfs.h9
2 files changed, 6 insertions, 14 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
index 3e120dd47305..c1aa4360736b 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
@@ -173,9 +173,8 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \
_FWRT_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_fw_runtime)
#define FWRT_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
- if (!debugfs_create_file(alias, mode, parent, fwrt, \
- &iwl_dbgfs_##name##_ops)) \
- goto err; \
+ debugfs_create_file(alias, mode, parent, fwrt, \
+ &iwl_dbgfs_##name##_ops); \
} while (0)
#define FWRT_DEBUGFS_ADD_FILE(name, parent, mode) \
FWRT_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
@@ -321,14 +320,10 @@ out:
FWRT_DEBUGFS_WRITE_FILE_OPS(send_hcmd, 512);
-int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
+void iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
struct dentry *dbgfs_dir)
{
INIT_DELAYED_WORK(&fwrt->timestamp.wk, iwl_fw_timestamp_marker_wk);
FWRT_DEBUGFS_ADD_FILE(timestamp_marker, dbgfs_dir, 0200);
FWRT_DEBUGFS_ADD_FILE(send_hcmd, dbgfs_dir, 0200);
- return 0;
-err:
- IWL_ERR(fwrt, "Can't create the fwrt debugfs directory\n");
- return -ENOMEM;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h
index 88255035e8ef..fde40ff88451 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h
@@ -63,14 +63,11 @@
#include "runtime.h"
#ifdef CONFIG_IWLWIFI_DEBUGFS
-int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
+void iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
struct dentry *dbgfs_dir);
#else
-static inline int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
- struct dentry *dbgfs_dir)
-{
- return 0;
-}
+static inline void iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
+ struct dentry *dbgfs_dir) { }
#endif /* CONFIG_IWLWIFI_DEBUGFS */