[SPARC64]: Fix cmsg length checks in Solaris emulation layer.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/solaris/socket.c b/arch/sparc64/solaris/socket.c
index ec8e074..0674058 100644
--- a/arch/sparc64/solaris/socket.c
+++ b/arch/sparc64/solaris/socket.c
@@ -317,8 +317,10 @@
unsigned long *kcmsg;
compat_size_t cmlen;
- if(kern_msg.msg_controllen > sizeof(ctl) &&
- kern_msg.msg_controllen <= 256) {
+ if (kern_msg.msg_controllen <= sizeof(compat_size_t))
+ return -EINVAL;
+
+ if(kern_msg.msg_controllen > sizeof(ctl)) {
err = -ENOBUFS;
ctl_buf = kmalloc(kern_msg.msg_controllen, GFP_KERNEL);
if(!ctl_buf)