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-rw-r--r--kernel/panic.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/kernel/panic.c b/kernel/panic.c
index 64e58835086d..43817111c979 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -367,15 +367,15 @@ static void panic_other_cpus_shutdown(bool crash_kexec)
}
/**
- * panic - halt the system
+ * vpanic - halt the system
* @fmt: The text string to print
+ * @args: Arguments for the format string
*
* Display a message, then perform cleanups. This function never returns.
*/
-void panic(const char *fmt, ...)
+void vpanic(const char *fmt, va_list args)
{
static char buf[1024];
- va_list args;
long i, i_next = 0, len;
int state = 0;
int old_cpu, this_cpu;
@@ -426,9 +426,7 @@ void panic(const char *fmt, ...)
console_verbose();
bust_spinlocks(1);
- va_start(args, fmt);
len = vscnprintf(buf, sizeof(buf), fmt, args);
- va_end(args);
if (len && buf[len - 1] == '\n')
buf[len - 1] = '\0';
@@ -565,7 +563,17 @@ void panic(const char *fmt, ...)
mdelay(PANIC_TIMER_STEP);
}
}
+EXPORT_SYMBOL(vpanic);
+/* Identical to vpanic(), except it takes variadic arguments instead of va_list */
+void panic(const char *fmt, ...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ vpanic(fmt, args);
+ va_end(args);
+}
EXPORT_SYMBOL(panic);
#define TAINT_FLAG(taint, _c_true, _c_false, _module) \