kernel: fix regression in backtrace module info change (#19631)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45665

target/linux/generic/patches-3.18/205-backtrace_module_info.patch

@@ -1,38 +1,36 @@
 --- a/lib/vsprintf.c
 +++ b/lib/vsprintf.c
-@@ -613,10 +613,12 @@ static noinline_for_stack
- char *symbol_string(char *buf, char *end, void *ptr,
+@@ -614,8 +614,10 @@ char *symbol_string(char *buf, char *end
  		    struct printf_spec spec, const char *fmt)
  {
-+#ifndef CONFIG_KALLSYMS
-+	struct module *mod;
-+#endif
  	unsigned long value;
 -#ifdef CONFIG_KALLSYMS
  	char sym[KSYM_SYMBOL_LEN];
--#endif
++#ifndef CONFIG_KALLSYMS
++	struct module *mod;
 +	int len;
+ #endif
  
  	if (fmt[1] == 'R')
- 		ptr = __builtin_extract_return_addr(ptr);
-@@ -630,13 +632,15 @@ char *symbol_string(char *buf, char *end
+@@ -629,15 +631,15 @@ char *symbol_string(char *buf, char *end
+ 		sprint_symbol(sym, value);
  	else
  		sprint_symbol_no_offset(sym, value);
- 
+-
 -	return string(buf, end, sym, spec);
  #else
 -	spec.field_width = 2 * sizeof(void *);
 -	spec.flags |= SPECIAL | SMALL | ZEROPAD;
 -	spec.base = 16;
 +	len = snprintf(sym, sizeof(sym), "0x%lx", value);
-+
+ 
+-	return number(buf, end, value, spec);
 +	mod = __module_address(value);
 +	if (mod)
 +		snprintf(sym + len, sizeof(sym) - len, " [%s@%p+0x%x]",
 +			 mod->name, mod->module_core, mod->core_size);
- 
--	return number(buf, end, value, spec);
-+	return string(buf, end, sym, spec);
  #endif
++	return string(buf, end, sym, spec);
  }
  
+ static noinline_for_stack

target/linux/generic/patches-4.0/205-backtrace_module_info.patch

@@ -1,38 +1,36 @@
 --- a/lib/vsprintf.c
 +++ b/lib/vsprintf.c
-@@ -614,10 +614,12 @@ static noinline_for_stack
- char *symbol_string(char *buf, char *end, void *ptr,
+@@ -615,8 +615,10 @@ char *symbol_string(char *buf, char *end
  		    struct printf_spec spec, const char *fmt)
  {
-+#ifndef CONFIG_KALLSYMS
-+	struct module *mod;
-+#endif
  	unsigned long value;
 -#ifdef CONFIG_KALLSYMS
  	char sym[KSYM_SYMBOL_LEN];
--#endif
++#ifndef CONFIG_KALLSYMS
++	struct module *mod;
 +	int len;
+ #endif
  
  	if (fmt[1] == 'R')
- 		ptr = __builtin_extract_return_addr(ptr);
-@@ -631,13 +633,15 @@ char *symbol_string(char *buf, char *end
+@@ -630,15 +632,15 @@ char *symbol_string(char *buf, char *end
+ 		sprint_symbol(sym, value);
  	else
  		sprint_symbol_no_offset(sym, value);
- 
+-
 -	return string(buf, end, sym, spec);
  #else
 -	spec.field_width = 2 * sizeof(void *);
 -	spec.flags |= SPECIAL | SMALL | ZEROPAD;
 -	spec.base = 16;
 +	len = snprintf(sym, sizeof(sym), "0x%lx", value);
-+
+ 
+-	return number(buf, end, value, spec);
 +	mod = __module_address(value);
 +	if (mod)
 +		snprintf(sym + len, sizeof(sym) - len, " [%s@%p+0x%x]",
 +			 mod->name, mod->module_core, mod->core_size);
- 
--	return number(buf, end, value, spec);
-+	return string(buf, end, sym, spec);
  #endif
++	return string(buf, end, sym, spec);
  }
  
+ static noinline_for_stack