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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/infiniband/hw/hfi1/fault.c
..
..
@@ -222,11 +222,11 @@
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 	while (bit < bitsize) {
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 		zero = find_next_zero_bit(fault->opcodes, bitsize, bit);
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 		if (zero - 1 != bit)
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-			size += snprintf(data + size,
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+			size += scnprintf(data + size,
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 					 datalen - size - 1,
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 					 "0x%lx-0x%lx,", bit, zero - 1);
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 		else
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-			size += snprintf(data + size,
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+			size += scnprintf(data + size,
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230
 					 datalen - size - 1, "0x%lx,",
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231
 					 bit);
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 		bit = find_next_bit(fault->opcodes, bitsize, zero);
..
..
@@ -259,6 +259,7 @@
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 int hfi1_fault_init_debugfs(struct hfi1_ibdev *ibd)
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 {
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 	struct dentry *parent = ibd->hfi1_ibdev_dbg;
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+	struct dentry *fault_dir;
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263
 
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 	ibd->fault = kzalloc(sizeof(*ibd->fault), GFP_KERNEL);
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 	if (!ibd->fault)
..
..
@@ -278,45 +279,31 @@
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 	bitmap_zero(ibd->fault->opcodes,
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 		    sizeof(ibd->fault->opcodes) * BITS_PER_BYTE);
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281
 
281
-	ibd->fault->dir =
282
-		fault_create_debugfs_attr("fault", parent,
283
-					  &ibd->fault->attr);
284
-	if (IS_ERR(ibd->fault->dir)) {
282
+	fault_dir =
283
+		fault_create_debugfs_attr("fault", parent, &ibd->fault->attr);
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+	if (IS_ERR(fault_dir)) {
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285
 		kfree(ibd->fault);
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286
 		ibd->fault = NULL;
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 		return -ENOENT;
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 	}
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+	ibd->fault->dir = fault_dir;
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290
 
290
-	DEBUGFS_SEQ_FILE_CREATE(fault_stats, ibd->fault->dir, ibd);
291
-	if (!debugfs_create_bool("enable", 0600, ibd->fault->dir,
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-				 &ibd->fault->enable))
293
-		goto fail;
294
-	if (!debugfs_create_bool("suppress_err", 0600,
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-				 ibd->fault->dir,
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-				 &ibd->fault->suppress_err))
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-		goto fail;
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-	if (!debugfs_create_bool("opcode_mode", 0600, ibd->fault->dir,
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-				 &ibd->fault->opcode))
300
-		goto fail;
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-	if (!debugfs_create_file("opcodes", 0600, ibd->fault->dir,
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-				 ibd->fault, &__fault_opcodes_fops))
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-		goto fail;
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-	if (!debugfs_create_u64("skip_pkts", 0600,
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-				ibd->fault->dir,
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-				&ibd->fault->fault_skip))
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-		goto fail;
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-	if (!debugfs_create_u64("skip_usec", 0600,
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-				ibd->fault->dir,
310
-				&ibd->fault->fault_skip_usec))
311
-		goto fail;
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-	if (!debugfs_create_u8("direction", 0600, ibd->fault->dir,
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-			       &ibd->fault->direction))
314
-		goto fail;
291
+	debugfs_create_file("fault_stats", 0444, fault_dir, ibd,
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+			    &_fault_stats_file_ops);
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+	debugfs_create_bool("enable", 0600, fault_dir, &ibd->fault->enable);
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+	debugfs_create_bool("suppress_err", 0600, fault_dir,
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+			    &ibd->fault->suppress_err);
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+	debugfs_create_bool("opcode_mode", 0600, fault_dir,
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+			    &ibd->fault->opcode);
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+	debugfs_create_file("opcodes", 0600, fault_dir, ibd->fault,
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+			    &__fault_opcodes_fops);
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+	debugfs_create_u64("skip_pkts", 0600, fault_dir,
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+			   &ibd->fault->fault_skip);
302
+	debugfs_create_u64("skip_usec", 0600, fault_dir,
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+			   &ibd->fault->fault_skip_usec);
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+	debugfs_create_u8("direction", 0600, fault_dir, &ibd->fault->direction);
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305
 
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 	return 0;
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-fail:
318
-	hfi1_fault_exit_debugfs(ibd);
319
-	return -ENOMEM;
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307
 }
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308
 
322
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 bool hfi1_dbg_fault_suppress_err(struct hfi1_ibdev *ibd)