Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
authorLinus Torvalds <torvalds@linux-foundation.org>
Wed, 4 Jan 2012 23:03:49 +0000 (15:03 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 4 Jan 2012 23:03:49 +0000 (15:03 -0800)
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  fix CAN MAINTAINERS SCM tree type
  mwifiex: fix crash during simultaneous scan and connect
  b43: fix regression in PIO case
  ath9k: Fix kernel panic in AR2427 in AP mode
  CAN MAINTAINERS update
  net: fsl: fec: fix build for mx23-only kernel
  sch_qfq: fix overflow in qfq_update_start()
  Revert "Bluetooth: Increase HCI reset timeout in hci_dev_do_close"

drivers/gpu/drm/radeon/radeon_atombios.c
drivers/rtc/interface.c
fs/cifs/connect.c
fs/minix/inode.c
include/linux/security.h
kernel/exit.c
kernel/hung_task.c
kernel/ptrace.c
kernel/signal.c
security/security.c

index d24baf3..5082d17 100644 (file)
@@ -2560,7 +2560,11 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 
        rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
        rdev->pm.current_clock_mode_index = 0;
-       rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
+       if (rdev->pm.default_power_state_index >= 0)
+               rdev->pm.current_vddc =
+                       rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
+       else
+               rdev->pm.current_vddc = 0;
 }
 
 void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
index 3bcc7cf..8e28625 100644 (file)
@@ -73,8 +73,6 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
                err = -EINVAL;
 
        mutex_unlock(&rtc->ops_lock);
-       /* A timer might have just expired */
-       schedule_work(&rtc->irqwork);
        return err;
 }
 EXPORT_SYMBOL_GPL(rtc_set_time);
@@ -114,8 +112,6 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs)
                err = -EINVAL;
 
        mutex_unlock(&rtc->ops_lock);
-       /* A timer might have just expired */
-       schedule_work(&rtc->irqwork);
 
        return err;
 }
@@ -323,20 +319,6 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 }
 EXPORT_SYMBOL_GPL(rtc_read_alarm);
 
-static int ___rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
-{
-       int err;
-
-       if (!rtc->ops)
-               err = -ENODEV;
-       else if (!rtc->ops->set_alarm)
-               err = -EINVAL;
-       else
-               err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
-
-       return err;
-}
-
 static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 {
        struct rtc_time tm;
@@ -360,7 +342,14 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
         * over right here, before we set the alarm.
         */
 
-       return ___rtc_set_alarm(rtc, alarm);
+       if (!rtc->ops)
+               err = -ENODEV;
+       else if (!rtc->ops->set_alarm)
+               err = -EINVAL;
+       else
+               err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
+
+       return err;
 }
 
 int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
@@ -407,8 +396,6 @@ int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
                timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
        }
        mutex_unlock(&rtc->ops_lock);
-       /* maybe that was in the past.*/
-       schedule_work(&rtc->irqwork);
        return err;
 }
 EXPORT_SYMBOL_GPL(rtc_initialize_alarm);
@@ -776,20 +763,6 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
        return 0;
 }
 
-static void rtc_alarm_disable(struct rtc_device *rtc)
-{
-       struct rtc_wkalrm alarm;
-       struct rtc_time tm;
-
-       __rtc_read_time(rtc, &tm);
-
-       alarm.time = rtc_ktime_to_tm(ktime_add(rtc_tm_to_ktime(tm),
-                                    ktime_set(300, 0)));
-       alarm.enabled = 0;
-
-       ___rtc_set_alarm(rtc, &alarm);
-}
-
 /**
  * rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue
  * @rtc rtc device
@@ -811,10 +784,8 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer)
                struct rtc_wkalrm alarm;
                int err;
                next = timerqueue_getnext(&rtc->timerqueue);
-               if (!next) {
-                       rtc_alarm_disable(rtc);
+               if (!next)
                        return;
-               }
                alarm.time = rtc_ktime_to_tm(next->expires);
                alarm.enabled = 1;
                err = __rtc_set_alarm(rtc, &alarm);
@@ -876,8 +847,7 @@ again:
                err = __rtc_set_alarm(rtc, &alarm);
                if (err == -ETIME)
                        goto again;
-       } else
-               rtc_alarm_disable(rtc);
+       }
 
        mutex_unlock(&rtc->ops_lock);
 }
index 8cd4b52..f3670cf 100644 (file)
@@ -282,7 +282,7 @@ static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB)
        byte_count = be32_to_cpu(pTargetSMB->smb_buf_length);
        byte_count += total_in_buf2;
        /* don't allow buffer to overflow */
-       if (byte_count > CIFSMaxBufSize)
+       if (byte_count > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4)
                return -ENOBUFS;
        pTargetSMB->smb_buf_length = cpu_to_be32(byte_count);
 
@@ -2122,7 +2122,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
                warned_on_ntlm = true;
                cERROR(1, "default security mechanism requested.  The default "
                        "security mechanism will be upgraded from ntlm to "
-                       "ntlmv2 in kernel release 3.2");
+                       "ntlmv2 in kernel release 3.3");
        }
        ses->overrideSecFlg = volume_info->secFlg;
 
index 1d9e339..4d46a6a 100644 (file)
@@ -263,23 +263,6 @@ static int minix_fill_super(struct super_block *s, void *data, int silent)
                goto out_no_root;
        }
 
-       ret = -ENOMEM;
-       s->s_root = d_alloc_root(root_inode);
-       if (!s->s_root)
-               goto out_iput;
-
-       if (!(s->s_flags & MS_RDONLY)) {
-               if (sbi->s_version != MINIX_V3) /* s_state is now out from V3 sb */
-                       ms->s_state &= ~MINIX_VALID_FS;
-               mark_buffer_dirty(bh);
-       }
-       if (!(sbi->s_mount_state & MINIX_VALID_FS))
-               printk("MINIX-fs: mounting unchecked file system, "
-                       "running fsck is recommended\n");
-       else if (sbi->s_mount_state & MINIX_ERROR_FS)
-               printk("MINIX-fs: mounting file system with errors, "
-                       "running fsck is recommended\n");
-
        /* Apparently minix can create filesystems that allocate more blocks for
         * the bitmaps than needed.  We simply ignore that, but verify it didn't
         * create one with not enough blocks and bail out if so.
@@ -300,6 +283,23 @@ static int minix_fill_super(struct super_block *s, void *data, int silent)
                goto out_iput;
        }
 
+       ret = -ENOMEM;
+       s->s_root = d_alloc_root(root_inode);
+       if (!s->s_root)
+               goto out_iput;
+
+       if (!(s->s_flags & MS_RDONLY)) {
+               if (sbi->s_version != MINIX_V3) /* s_state is now out from V3 sb */
+                       ms->s_state &= ~MINIX_VALID_FS;
+               mark_buffer_dirty(bh);
+       }
+       if (!(sbi->s_mount_state & MINIX_VALID_FS))
+               printk("MINIX-fs: mounting unchecked file system, "
+                       "running fsck is recommended\n");
+       else if (sbi->s_mount_state & MINIX_ERROR_FS)
+               printk("MINIX-fs: mounting file system with errors, "
+                       "running fsck is recommended\n");
+
        return 0;
 
 out_iput:
index 19d8e04..e8c619d 100644 (file)
@@ -2056,7 +2056,7 @@ static inline int security_old_inode_init_security(struct inode *inode,
                                                   char **name, void **value,
                                                   size_t *len)
 {
-       return 0;
+       return -EOPNOTSUPP;
 }
 
 static inline int security_inode_create(struct inode *dir,
index d0b7d98..e6e01b9 100644 (file)
@@ -1540,8 +1540,15 @@ static int wait_consider_task(struct wait_opts *wo, int ptrace,
        }
 
        /* dead body doesn't have much to contribute */
-       if (p->exit_state == EXIT_DEAD)
+       if (unlikely(p->exit_state == EXIT_DEAD)) {
+               /*
+                * But do not ignore this task until the tracer does
+                * wait_task_zombie()->do_notify_parent().
+                */
+               if (likely(!ptrace) && unlikely(ptrace_reparented(p)))
+                       wo->notask_error = 0;
                return 0;
+       }
 
        /* slay zombie? */
        if (p->exit_state == EXIT_ZOMBIE) {
index 8b1748d..2e48ec0 100644 (file)
@@ -74,11 +74,17 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout)
 
        /*
         * Ensure the task is not frozen.
-        * Also, when a freshly created task is scheduled once, changes
-        * its state to TASK_UNINTERRUPTIBLE without having ever been
-        * switched out once, it musn't be checked.
+        * Also, skip vfork and any other user process that freezer should skip.
         */
-       if (unlikely(t->flags & PF_FROZEN || !switch_count))
+       if (unlikely(t->flags & (PF_FROZEN | PF_FREEZER_SKIP)))
+           return;
+
+       /*
+        * When a freshly created task is scheduled once, changes its state to
+        * TASK_UNINTERRUPTIBLE without having ever been switched out once, it
+        * musn't be checked.
+        */
+       if (unlikely(!switch_count))
                return;
 
        if (switch_count != t->last_switch_count) {
index 24d0447..78ab24a 100644 (file)
@@ -96,9 +96,20 @@ void __ptrace_unlink(struct task_struct *child)
         */
        if (!(child->flags & PF_EXITING) &&
            (child->signal->flags & SIGNAL_STOP_STOPPED ||
-            child->signal->group_stop_count))
+            child->signal->group_stop_count)) {
                child->jobctl |= JOBCTL_STOP_PENDING;
 
+               /*
+                * This is only possible if this thread was cloned by the
+                * traced task running in the stopped group, set the signal
+                * for the future reports.
+                * FIXME: we should change ptrace_init_task() to handle this
+                * case.
+                */
+               if (!(child->jobctl & JOBCTL_STOP_SIGMASK))
+                       child->jobctl |= SIGSTOP;
+       }
+
        /*
         * If transition to TASK_STOPPED is pending or in TASK_TRACED, kick
         * @child in the butt.  Note that @resume should be used iff @child
index b3f78d0..2065515 100644 (file)
@@ -1994,8 +1994,6 @@ static bool do_signal_stop(int signr)
                 */
                if (!(sig->flags & SIGNAL_STOP_STOPPED))
                        sig->group_exit_code = signr;
-               else
-                       WARN_ON_ONCE(!current->ptrace);
 
                sig->group_stop_count = 0;
 
index 0c6cc69..e2f684a 100644 (file)
@@ -381,7 +381,7 @@ int security_old_inode_init_security(struct inode *inode, struct inode *dir,
                                     void **value, size_t *len)
 {
        if (unlikely(IS_PRIVATE(inode)))
-               return 0;
+               return -EOPNOTSUPP;
        return security_ops->inode_init_security(inode, dir, qstr, name, value,
                                                 len);
 }