summaryrefslogtreecommitdiffstats
path: root/lib/seq_buf.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/seq_buf.c')
-rw-r--r--lib/seq_buf.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/seq_buf.c b/lib/seq_buf.c
index 11f2ae0f9099..bd807f545a9d 100644
--- a/lib/seq_buf.c
+++ b/lib/seq_buf.c
@@ -140,13 +140,17 @@ int seq_buf_bprintf(struct seq_buf *s, const char *fmt, const u32 *binary)
*/
int seq_buf_puts(struct seq_buf *s, const char *str)
{
- unsigned int len = strlen(str);
+ size_t len = strlen(str);
WARN_ON(s->size == 0);
+ /* Add 1 to len for the trailing null byte which must be there */
+ len += 1;
+
if (seq_buf_can_fit(s, len)) {
memcpy(s->buffer + s->len, str, len);
- s->len += len;
+ /* Don't count the trailing null byte against the capacity */
+ s->len += len - 1;
return 0;
}
seq_buf_set_overflow(s);