修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/kernel/debug/kdb/kdb_support.c
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@@ -192,7 +192,7 @@
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 	while ((name = kdb_walk_kallsyms(&pos))) {
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 		if (strncmp(name, prefix_name, prefix_len) == 0) {
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-			strcpy(ks_namebuf, name);
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+			strscpy(ks_namebuf, name, sizeof(ks_namebuf));
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 			/* Work out the longest name that matches the prefix */
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 			if (++number == 1) {
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 				prev_len = min_t(int, max_len-1,
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@@ -325,7 +325,7 @@
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  */
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 int kdb_getarea_size(void *res, unsigned long addr, size_t size)
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 {
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-	int ret = probe_kernel_read((char *)res, (char *)addr, size);
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+	int ret = copy_from_kernel_nofault((char *)res, (char *)addr, size);
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 	if (ret) {
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 		if (!KDB_STATE(SUPPRESS)) {
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 			kdb_printf("kdb_getarea: Bad address 0x%lx\n", addr);
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@@ -350,7 +350,7 @@
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  */
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 int kdb_putarea_size(unsigned long addr, void *res, size_t size)
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 {
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-	int ret = probe_kernel_read((char *)addr, (char *)res, size);
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+	int ret = copy_to_kernel_nofault((char *)addr, (char *)res, size);
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 	if (ret) {
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 		if (!KDB_STATE(SUPPRESS)) {
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 			kdb_printf("kdb_putarea: Bad address 0x%lx\n", addr);
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@@ -432,7 +432,7 @@
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 				*word = w8;
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 			break;
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 		}
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-		/* drop through */
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+		fallthrough;
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 	default:
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 		diag = KDB_BADWIDTH;
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 		kdb_printf("kdb_getphysword: bad width %ld\n", (long) size);
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@@ -481,7 +481,7 @@
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 				*word = w8;
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 			break;
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 		}
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-		/* drop through */
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+		fallthrough;
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 	default:
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 		diag = KDB_BADWIDTH;
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 		kdb_printf("kdb_getword: bad width %ld\n", (long) size);
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@@ -525,7 +525,7 @@
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 			diag = kdb_putarea(addr, w8);
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 			break;
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 		}
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-		/* drop through */
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+		fallthrough;
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 	default:
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 		diag = KDB_BADWIDTH;
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 		kdb_printf("kdb_putword: bad width %ld\n", (long) size);
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@@ -624,7 +624,8 @@
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 	char state;
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 	unsigned long tmp;
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-	if (!p || probe_kernel_read(&tmp, (char *)p, sizeof(unsigned long)))
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+	if (!p ||
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+	    copy_from_kernel_nofault(&tmp, (char *)p, sizeof(unsigned long)))
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 		return 'E';
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 	cpu = kdb_process_cpu(p);