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-rw-r--r--sysdep/unix/io.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index aff144b..6f2c08e 100644
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -698,7 +698,7 @@ bad:
void
sk_close(sock *s)
{
- if (s->entered)
+ if (s && s->entered)
s->type = SK_DELETED;
else
rfree(s);