Fix memory leak on receive error

* pfinet/io-ops.c (S_io_read): On error, free data array if it was
allocated.

1 files changed, 5 insertions, 1 deletions

diff --git a/pfinet/io-ops.c b/pfinet/io-ops.c
index 21bc3ac2..bee1c19a 100644
--- a/pfinet/io-ops.c
+++ b/pfinet/io-ops.c
@@ -102,7 +102,11 @@ S_io_read (struct sock_user *user,
   __mutex_unlock (&global_lock);
 
   if (err < 0)
-    err = -err;
+    {
+      err = -err;
+      if (alloced)
+	munmap (*data, amount);
+    }
   else
     {
       *datalen = err;