From 0ee6069fad7a54eee6f321ceae1b68398a52c694 Mon Sep 17 00:00:00 2001 From: nbd Date: Sun, 10 May 2015 13:16:40 +0000 Subject: [PATCH] kernel: fix regression in backtrace module info change (#19631) Signed-off-by: Felix Fietkau git-svn-id: svn://svn.openwrt.org/openwrt/trunk@45665 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../205-backtrace_module_info.patch | 24 +++++++++---------- .../205-backtrace_module_info.patch | 24 +++++++++---------- 2 files changed, 22 insertions(+), 26 deletions(-) diff --git a/target/linux/generic/patches-3.18/205-backtrace_module_info.patch b/target/linux/generic/patches-3.18/205-backtrace_module_info.patch index 594871b715..f83b21ebc8 100644 --- a/target/linux/generic/patches-3.18/205-backtrace_module_info.patch +++ b/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 diff --git a/target/linux/generic/patches-4.0/205-backtrace_module_info.patch b/target/linux/generic/patches-4.0/205-backtrace_module_info.patch index 8417d609d3..2d0cc5ab8b 100644 --- a/target/linux/generic/patches-4.0/205-backtrace_module_info.patch +++ b/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 -- 2.35.1