Merge branch 'fixes-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville...

[linux-2.6] / kernel / sys.c

diff --git a/kernel/sys.c b/kernel/sys.c
index 23620d52cf373520dee84ada4891afe596064d55..d1fe71eb45469bc99f23cfe9aee83a8cbecc81b1 100644 (file)
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -152,8 +152,7 @@ asmlinkage long sys_setpriority(int which, int who, int niceval)
        switch (which) {
                case PRIO_PROCESS:
                        if (who)
-                               p = find_task_by_pid_ns(who,
-                                               current->nsproxy->pid_ns);
+                               p = find_task_by_vpid(who);
                        else
                                p = current;
                        if (p)
@@ -210,8 +209,7 @@ asmlinkage long sys_getpriority(int which, int who)
        switch (which) {
                case PRIO_PROCESS:
                        if (who)
-                               p = find_task_by_pid_ns(who,
-                                               current->nsproxy->pid_ns);
+                               p = find_task_by_vpid(who);
                        else
                                p = current;
                        if (p) {
@@ -979,7 +977,7 @@ asmlinkage long sys_setpgid(pid_t pid, pid_t pgid)
                detach_pid(p, PIDTYPE_PGID);
                pid = find_vpid(pgid);
                attach_pid(p, PIDTYPE_PGID, pid);
-               p->signal->pgrp = pid_nr(pid);
+               set_task_pgrp(p, pid_nr(pid));
        }
 
        err = 0;
@@ -1067,7 +1065,8 @@ asmlinkage long sys_setsid(void)
         * session id and so the check will always fail and make it so
         * init cannot successfully call setsid.
         */
-       if (session > 1 && find_task_by_pid_type(PIDTYPE_PGID, session))
+       if (session > 1 && find_task_by_pid_type_ns(PIDTYPE_PGID,
+                               session, &init_pid_ns))
                goto out;
 
        group_leader->signal->leader = 1;
@@ -1751,7 +1750,7 @@ asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
 }
 
 asmlinkage long sys_getcpu(unsigned __user *cpup, unsigned __user *nodep,
-                          struct getcpu_cache __user *cache)
+                          struct getcpu_cache __user *unused)
 {
        int err = 0;
        int cpu = raw_smp_processor_id();
@@ -1759,24 +1758,6 @@ asmlinkage long sys_getcpu(unsigned __user *cpup, unsigned __user *nodep,
                err |= put_user(cpu, cpup);
        if (nodep)
                err |= put_user(cpu_to_node(cpu), nodep);
-       if (cache) {
-               /*
-                * The cache is not needed for this implementation,
-                * but make sure user programs pass something
-                * valid. vsyscall implementations can instead make
-                * good use of the cache. Only use t0 and t1 because
-                * these are available in both 32bit and 64bit ABI (no
-                * need for a compat_getcpu). 32bit has enough
-                * padding
-                */
-               unsigned long t0, t1;
-               get_user(t0, &cache->blob[0]);
-               get_user(t1, &cache->blob[1]);
-               t0++;
-               t1++;
-               put_user(t0, &cache->blob[0]);
-               put_user(t1, &cache->blob[1]);
-       }
        return err ? -EFAULT : 0;
 }