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authorMauro Carvalho Chehab <mchehab@redhat.com>2013-01-25 00:49:18 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-01-25 00:49:18 +0400
commita32f7d1ad3744914273c6907204c2ab3b5d496a0 (patch)
tree1c5ae321ee85665707177547c07810ff7e09e1ab /fs/proc/generic.c
parent6b9e50c463efc5c361496ae6a895cc966ff8025b (diff)
parent68d6f84ba0c47e658beff3a4bf0c43acee4b4690 (diff)
downloadlinux-a32f7d1ad3744914273c6907204c2ab3b5d496a0.tar.xz
Merge branch 'v4l_for_linus' into staging/for_v3.9
* v4l_for_linus: (464 commits) [media] uvcvideo: Set error_idx properly for S_EXT_CTRLS failures [media] uvcvideo: Cleanup leftovers of partial revert [media] uvcvideo: Return -EACCES when trying to set a read-only control Linux 3.8-rc3 mm: reinstante dropped pmd_trans_splitting() check cred: Remove tgcred pointer from struct cred drm/ttm: fix fence locking in ttm_buffer_object_transfer ARM: clps711x: Fix bad merge of clockevents setup ARM: highbank: save and restore L2 cache and GIC on suspend ARM: highbank: add a power request clear ARM: highbank: fix secondary boot and hotplug ARM: highbank: fix typos with hignbank in power request functions ARM: dts: fix highbank cpu mpidr values ARM: dts: add device_type prop to cpu nodes on Calxeda platforms drm/prime: drop reference on imported dma-buf come from gem xen/netfront: improve truesize tracking ARM: mx5: Fix MX53 flexcan2 clock ARM: OMAP2+: am33xx-hwmod: Fix wrongly terminated am33xx_usbss_mpu_irqs array sctp: fix Kconfig bug in default cookie hmac selection EDAC: Cleanup device deregistering path ... Conflicts: drivers/media/pci/dm1105/dm1105.c drivers/media/platform/soc_camera/mx2_camera.c
Diffstat (limited to 'fs/proc/generic.c')
-rw-r--r--fs/proc/generic.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index e064f562b1f7..76ddae83daa5 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -352,18 +352,18 @@ retry:
if (!ida_pre_get(&proc_inum_ida, GFP_KERNEL))
return -ENOMEM;
- spin_lock_bh(&proc_inum_lock);
+ spin_lock_irq(&proc_inum_lock);
error = ida_get_new(&proc_inum_ida, &i);
- spin_unlock_bh(&proc_inum_lock);
+ spin_unlock_irq(&proc_inum_lock);
if (error == -EAGAIN)
goto retry;
else if (error)
return error;
if (i > UINT_MAX - PROC_DYNAMIC_FIRST) {
- spin_lock_bh(&proc_inum_lock);
+ spin_lock_irq(&proc_inum_lock);
ida_remove(&proc_inum_ida, i);
- spin_unlock_bh(&proc_inum_lock);
+ spin_unlock_irq(&proc_inum_lock);
return -ENOSPC;
}
*inum = PROC_DYNAMIC_FIRST + i;
@@ -372,9 +372,10 @@ retry:
void proc_free_inum(unsigned int inum)
{
- spin_lock_bh(&proc_inum_lock);
+ unsigned long flags;
+ spin_lock_irqsave(&proc_inum_lock, flags);
ida_remove(&proc_inum_ida, inum - PROC_DYNAMIC_FIRST);
- spin_unlock_bh(&proc_inum_lock);
+ spin_unlock_irqrestore(&proc_inum_lock, flags);
}
static void *proc_follow_link(struct dentry *dentry, struct nameidata *nd)