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Adding breaktrace & disabling timer migration
[kvmfornfv.git]
/
kernel
/
fs
/
proc
/
fd.c
diff --git
a/kernel/fs/proc/fd.c
b/kernel/fs/proc/fd.c
index
6e5fcd0
..
3c2a915
100644
(file)
--- a/
kernel/fs/proc/fd.c
+++ b/
kernel/fs/proc/fd.c
@@
-291,11
+291,19
@@
static struct dentry *proc_lookupfd(struct inode *dir, struct dentry *dentry,
*/
int proc_fd_permission(struct inode *inode, int mask)
{
*/
int proc_fd_permission(struct inode *inode, int mask)
{
- int rv = generic_permission(inode, mask);
+ struct task_struct *p;
+ int rv;
+
+ rv = generic_permission(inode, mask);
if (rv == 0)
if (rv == 0)
- return 0;
- if (task_tgid(current) == proc_pid(inode))
+ return rv;
+
+ rcu_read_lock();
+ p = pid_task(proc_pid(inode), PIDTYPE_PID);
+ if (p && same_thread_group(p, current))
rv = 0;
rv = 0;
+ rcu_read_unlock();
+
return rv;
}
return rv;
}