From: Hua Zhong <hzhong@gmail.com>
Date: Wed, 19 Apr 2006 22:25:02 +0000 (-0700)
Subject: [NET]: sockfd_lookup_light() returns random error for -EBADFD
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=3672558c6180ca28a7aa46765702467a37e58fc5;p=deliverable%2Flinux.git

[NET]: sockfd_lookup_light() returns random error for -EBADFD

This applies to 2.6.17-rc2.

There is a missing initialization of err in sockfd_lookup_light() that
could return random error for an invalid file handle.

Signed-off-by: Hua Zhong <hzhong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/socket.c b/net/socket.c
index 23898f45f713..0ce12dfc7a71 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -490,6 +490,7 @@ static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed)
 	struct file *file;
 	struct socket *sock;
 
+	*err = -EBADF;
 	file = fget_light(fd, fput_needed);
 	if (file) {
 		sock = sock_from_file(file, err);