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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 /kernel
parentbde0d2c98bcfc9acc83ac79c33a6ac1335b95a92 (diff)
downloadlinux-609d7fa9565c754428d2520cac2accc9052e1245.tar.gz
[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 'kernel')
-rw-r--r--kernel/futex.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/futex.c b/kernel/futex.c
index 4b6770e9806d..4aaf91951a43 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -1527,7 +1527,7 @@ static int futex_fd(u32 __user *uaddr, int signal)
 	filp->f_mapping = filp->f_dentry->d_inode->i_mapping;
 
 	if (signal) {
-		err = f_setown(filp, current->pid, 1);
+		err = __f_setown(filp, task_pid(current), PIDTYPE_PID, 1);
 		if (err < 0) {
 			goto error;
 		}