X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=net%2Fcore%2Fscm.c;h=10f5c65f6a470cc914de500b43d63990e89db1b6;hb=c010b2f76c3032e48097a6eef291d8593d5d79a6;hp=100ba6d9d478d7df1082a3790ddfac0e6c012d73;hpb=c4ec20717313daafba59225f812db89595952b83;p=mv-sheeva.git

diff --git a/net/core/scm.c b/net/core/scm.c
index 100ba6d9d47..10f5c65f6a4 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -196,6 +196,8 @@ int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data)
 	if (copy_to_user(CMSG_DATA(cm), data, cmlen - sizeof(struct cmsghdr)))
 		goto out;
 	cmlen = CMSG_SPACE(len);
+	if (msg->msg_controllen < cmlen)
+		cmlen = msg->msg_controllen;
 	msg->msg_control += cmlen;
 	msg->msg_controllen -= cmlen;
 	err = 0;