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-rw-r--r--lib/vsprintf.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 8e75003d62f6..38e612e66da5 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -891,9 +891,15 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
case 'U':
return uuid_string(buf, end, ptr, spec, fmt);
case 'V':
- return buf + vsnprintf(buf, end > buf ? end - buf : 0,
- ((struct va_format *)ptr)->fmt,
- *(((struct va_format *)ptr)->va));
+ {
+ va_list va;
+
+ va_copy(va, *((struct va_format *)ptr)->va);
+ buf += vsnprintf(buf, end > buf ? end - buf : 0,
+ ((struct va_format *)ptr)->fmt, va);
+ va_end(va);
+ return buf;
+ }
case 'K':
/*
* %pK cannot be used in IRQ context because its test