diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/panic.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/kernel/panic.c b/kernel/panic.c index 6513aac8e992..6bbf7b905c76 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -320,23 +320,6 @@ void oops_exit(void) } #ifdef WANT_WARN_ON_SLOWPATH -void warn_on_slowpath(const char *file, int line) -{ - char function[KSYM_SYMBOL_LEN]; - unsigned long caller = (unsigned long) __builtin_return_address(0); - sprint_symbol(function, caller); - - printk(KERN_WARNING "------------[ cut here ]------------\n"); - printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file, - line, function); - print_modules(); - dump_stack(); - print_oops_end_marker(); - add_taint(TAINT_WARN); -} -EXPORT_SYMBOL(warn_on_slowpath); - - void warn_slowpath(const char *file, int line, const char *fmt, ...) { va_list args; @@ -347,9 +330,12 @@ void warn_slowpath(const char *file, int line, const char *fmt, ...) printk(KERN_WARNING "------------[ cut here ]------------\n"); printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file, line, function); - va_start(args, fmt); - vprintk(fmt, args); - va_end(args); + + if (fmt) { + va_start(args, fmt); + vprintk(fmt, args); + va_end(args); + } print_modules(); dump_stack(); @@ -357,6 +343,12 @@ void warn_slowpath(const char *file, int line, const char *fmt, ...) add_taint(TAINT_WARN); } EXPORT_SYMBOL(warn_slowpath); + +void warn_on_slowpath(const char *file, int line) +{ + warn_slowpath(file, line, NULL); +} +EXPORT_SYMBOL(warn_on_slowpath); #endif #ifdef CONFIG_CC_STACKPROTECTOR |