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-rw-r--r--fs/seq_file.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/seq_file.c b/fs/seq_file.c
index cde1bdbf7801..3714ae1d5e1c 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -828,8 +828,14 @@ EXPORT_SYMBOL(seq_write);
void seq_pad(struct seq_file *m, char c)
{
int size = m->pad_until - m->count;
- if (size > 0)
- seq_printf(m, "%*s", size, "");
+ if (size > 0) {
+ if (size + m->count > m->size) {
+ seq_set_overflow(m);
+ return;
+ }
+ memset(m->buf + m->count, ' ', size);
+ m->count += size;
+ }
if (c)
seq_putc(m, c);
}