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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-16 00:29:07 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-16 00:29:07 +0200 |
| commit | 82638844d9a8581bbf33201cc209a14876eca167 (patch) | |
| tree | 961d7f9360194421a71aa644a9d0c176a960ce49 /drivers/misc/hdpuftrs/hdpu_cpustate.c | |
| parent | 9982fbface82893e77d211fbabfbd229da6bdde6 (diff) | |
| parent | 63cf13b77ab785e87c867defa8545e6d4a989774 (diff) | |
| download | op-kernel-dev-82638844d9a8581bbf33201cc209a14876eca167.zip op-kernel-dev-82638844d9a8581bbf33201cc209a14876eca167.tar.gz | |
Merge branch 'linus' into cpus4096
Conflicts:
arch/x86/xen/smp.c
kernel/sched_rt.c
net/iucv/iucv.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/misc/hdpuftrs/hdpu_cpustate.c')
| -rw-r--r-- | drivers/misc/hdpuftrs/hdpu_cpustate.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/misc/hdpuftrs/hdpu_cpustate.c b/drivers/misc/hdpuftrs/hdpu_cpustate.c index ff51ab6..176fe4e 100644 --- a/drivers/misc/hdpuftrs/hdpu_cpustate.c +++ b/drivers/misc/hdpuftrs/hdpu_cpustate.c @@ -17,6 +17,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/spinlock.h> +#include <linux/smp_lock.h> #include <linux/miscdevice.h> #include <linux/proc_fs.h> #include <linux/hdpu_features.h> @@ -151,7 +152,13 @@ static ssize_t cpustate_write(struct file *file, const char *buf, static int cpustate_open(struct inode *inode, struct file *file) { - return cpustate_get_ref((file->f_flags & O_EXCL)); + int ret; + + lock_kernel(); + ret = cpustate_get_ref((file->f_flags & O_EXCL)); + unlock_kernel(); + + return ret; } static int cpustate_release(struct inode *inode, struct file *file) |
