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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/net/wireless/intel/iwlwifi/dvm/debugfs.c
..
..
@@ -1,25 +1,8 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
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2
 /******************************************************************************
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3
  *
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- * GPL LICENSE SUMMARY
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- *
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4
  * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of version 2 of the GNU General Public License as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- * General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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- * USA
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- *
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- * The full GNU General Public License is included in this distribution
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- * in the file called COPYING.
5
+ * Copyright (C) 2018 Intel Corporation
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6
  *
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7
  * Contact Information:
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8
  *  Intel Linux Wireless <linuxwifi@intel.com>
..
..
@@ -41,31 +24,8 @@
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24
 
42
25
 /* create and remove of files */
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26
 #define DEBUGFS_ADD_FILE(name, parent, mode) do {			\
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-	if (!debugfs_create_file(#name, mode, parent, priv,		\
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-				 &iwl_dbgfs_##name##_ops))		\
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-		goto err;						\
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-} while (0)
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-
49
-#define DEBUGFS_ADD_BOOL(name, parent, ptr) do {			\
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-	struct dentry *__tmp;						\
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-	__tmp = debugfs_create_bool(#name, 0600, parent, ptr);		\
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-	if (IS_ERR(__tmp) || !__tmp)					\
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-		goto err;						\
54
-} while (0)
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-
56
-#define DEBUGFS_ADD_X32(name, parent, ptr) do {				\
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-	struct dentry *__tmp;						\
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-	__tmp = debugfs_create_x32(#name, 0600, parent, ptr);		\
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-	if (IS_ERR(__tmp) || !__tmp)					\
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-		goto err;						\
61
-} while (0)
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-
63
-#define DEBUGFS_ADD_U32(name, parent, ptr, mode) do {			\
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-	struct dentry *__tmp;						\
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-	__tmp = debugfs_create_u32(#name, mode,				\
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-				   parent, ptr);			\
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-	if (IS_ERR(__tmp) || !__tmp)					\
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-		goto err;						\
27
+	debugfs_create_file(#name, mode, parent, priv,			\
28
+			    &iwl_dbgfs_##name##_ops);			\
69
29
 } while (0)
70
30
 
71
31
 /* file operation */
..
..
@@ -2243,7 +2203,7 @@
2243
2203
 	buf_size = min(count, sizeof(buf) -  1);
2244
2204
 	if (copy_from_user(buf, user_buf, buf_size))
2245
2205
 		return -EFAULT;
2246
-	if (sscanf(buf, "%d", &event_log_flag) != 1)
2206
+	if (sscanf(buf, "%u", &event_log_flag) != 1)
2247
2207
 		return -EFAULT;
2248
2208
 	if (event_log_flag == 1)
2249
2209
 		iwl_dump_nic_event_log(priv, true, NULL);
..
..
@@ -2352,21 +2312,15 @@
2352
2312
  * Create the debugfs files and directories
2353
2313
  *
2354
2314
  */
2355
-int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir)
2315
+void iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir)
2356
2316
 {
2357
2317
 	struct dentry *dir_data, *dir_rf, *dir_debug;
2358
2318
 
2359
2319
 	priv->debugfs_dir = dbgfs_dir;
2360
2320
 
2361
2321
 	dir_data = debugfs_create_dir("data", dbgfs_dir);
2362
-	if (!dir_data)
2363
-		goto err;
2364
2322
 	dir_rf = debugfs_create_dir("rf", dbgfs_dir);
2365
-	if (!dir_rf)
2366
-		goto err;
2367
2323
 	dir_debug = debugfs_create_dir("debug", dbgfs_dir);
2368
-	if (!dir_debug)
2369
-		goto err;
2370
2324
 
2371
2325
 	DEBUGFS_ADD_FILE(nvm, dir_data, 0400);
2372
2326
 	DEBUGFS_ADD_FILE(sram, dir_data, 0600);
..
..
@@ -2426,13 +2380,6 @@
2426
2380
 
2427
2381
 		snprintf(buf, 100, "../../%pd2", dev_dir);
2428
2382
 
2429
-		if (!debugfs_create_symlink("iwlwifi", mac80211_dir, buf))
2430
-			goto err;
2383
+		debugfs_create_symlink("iwlwifi", mac80211_dir, buf);
2431
2384
 	}
2432
-
2433
-	return 0;
2434
-
2435
-err:
2436
-	IWL_ERR(priv, "failed to create the dvm debugfs entries\n");
2437
-	return -ENOMEM;
2438
2385
 }