squashfs: fix warn_on when root inode is corrupted

[safe/jmp/linux-2.6] / fs / proc / array.c

diff --git a/fs/proc/array.c b/fs/proc/array.c
index 13b5d07..e51f2ec 100644 (file)
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -68,7 +68,6 @@
 #include <linux/hugetlb.h>
 #include <linux/pagemap.h>
 #include <linux/swap.h>
-#include <linux/slab.h>
 #include <linux/smp.h>
 #include <linux/signal.h>
 #include <linux/highmem.h>
@@ -270,8 +269,10 @@ static inline void task_sig(struct seq_file *m, struct task_struct *p)
                blocked = p->blocked;
                collect_sigign_sigcatch(p, &ignored, &caught);
                num_threads = atomic_read(&p->signal->count);
+               rcu_read_lock();  /* FIXME: is this correct? */
                qsize = atomic_read(&__task_cred(p)->user->sigpending);
-               qlim = p->signal->rlim[RLIMIT_SIGPENDING].rlim_cur;
+               rcu_read_unlock();
+               qlim = task_rlimit(p, RLIMIT_SIGPENDING);
                unlock_task_sighand(p, &flags);
        }
 
@@ -418,7 +419,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
                cutime = sig->cutime;
                cstime = sig->cstime;
                cgtime = sig->cgtime;
-               rsslim = sig->rlim[RLIMIT_RSS].rlim_cur;
+               rsslim = ACCESS_ONCE(sig->rlim[RLIMIT_RSS].rlim_cur);
 
                /* add up live thread stats at the group level */
                if (whole) {