diff options
author | Eric W. Biederman <ebiederm@xmission.com> | 2006-10-02 05:17:15 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-02 10:57:14 -0400 |
commit | 609d7fa9565c754428d2520cac2accc9052e1245 (patch) | |
tree | 1c5114ec3720166fe99ce3885e8767929a8a84e0 /drivers/net | |
parent | bde0d2c98bcfc9acc83ac79c33a6ac1335b95a92 (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/net')
-rw-r--r-- | drivers/net/tun.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index bc0face01d25..151a2e10e4f3 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) | |||
697 | return ret; | 697 | return ret; |
698 | 698 | ||
699 | if (on) { | 699 | if (on) { |
700 | ret = f_setown(file, current->pid, 0); | 700 | ret = __f_setown(file, task_pid(current), PIDTYPE_PID, 0); |
701 | if (ret) | 701 | if (ret) |
702 | return ret; | 702 | return ret; |
703 | tun->flags |= TUN_FASYNC; | 703 | tun->flags |= TUN_FASYNC; |