calipso: fix resource leak on calipso_genopt failure

[cascardo/linux.git] / net / ipv6 / calipso.c

diff --git a/net/ipv6/calipso.c b/net/ipv6/calipso.c
index c53b92c..37ac9de 100644 (file)
--- a/net/ipv6/calipso.c
+++ b/net/ipv6/calipso.c
@@ -952,8 +952,10 @@ calipso_opt_insert(struct ipv6_opt_hdr *hop,
                memcpy(new, hop, start);
        ret_val = calipso_genopt((unsigned char *)new, start, buf_len, doi_def,
                                 secattr);
-       if (ret_val < 0)
+       if (ret_val < 0) {
+               kfree(new);
                return ERR_PTR(ret_val);
+       }
 
        buf_len = start + ret_val;
        /* At this point buf_len aligns to 4n, so (buf_len & 4) pads to 8n */