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-rw-r--r--kernel/printk/printk_safe.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/printk/printk_safe.c b/kernel/printk/printk_safe.c
index 3e3c2004bb23..449d67edfa4b 100644
--- a/kernel/printk/printk_safe.c
+++ b/kernel/printk/printk_safe.c
@@ -82,6 +82,7 @@ static __printf(2, 0) int printk_safe_log_store(struct printk_safe_seq_buf *s,
{
int add;
size_t len;
+ va_list ap;
again:
len = atomic_read(&s->len);
@@ -100,7 +101,9 @@ again:
if (!len)
smp_rmb();
- add = vscnprintf(s->buffer + len, sizeof(s->buffer) - len, fmt, args);
+ va_copy(ap, args);
+ add = vscnprintf(s->buffer + len, sizeof(s->buffer) - len, fmt, ap);
+ va_end(ap);
if (!add)
return 0;