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authorEric W. Biederman <ebiederm@xmission.com>2006-10-02 02:17:15 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-02 07:57:14 -0700
commit609d7fa9565c754428d2520cac2accc9052e1245 (patch)
tree1c5114ec3720166fe99ce3885e8767929a8a84e0 /drivers
parentbde0d2c98bcfc9acc83ac79c33a6ac1335b95a92 (diff)
[PATCH] file: modify struct fown_struct to use a struct pid
File handles can be requested to send sigio and sigurg to processes. By tracking the destination processes using struct pid instead of pid_t we make the interface safe from all potential pid wrap around problems. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/tun.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index bc0face01d2..151a2e10e4f 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -697,7 +697,7 @@ static int tun_chr_fasync(int fd, struct file *file, int on)
return ret;
if (on) {
- ret = f_setown(file, current->pid, 0);
+ ret = __f_setown(file, task_pid(current), PIDTYPE_PID, 0);
if (ret)
return ret;
tun->flags |= TUN_FASYNC;