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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);
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);
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 */
buf_len = start + ret_val;
/* At this point buf_len aligns to 4n, so (buf_len & 4) pads to 8n */