diff options
author | Arnd Bergmann <arnd@arndb.de> | 2011-11-29 14:50:17 +0000 |
---|---|---|
committer | Arnd Bergmann <arnd@arndb.de> | 2011-11-29 14:50:17 +0000 |
commit | 98014be39bda8277a5ad130bb274ed6eb18b74df (patch) | |
tree | 974620a47c9350ff9b3c06ffd2b49470bbda72ab /arch/x86/kernel/cpu/mcheck/mce.c | |
parent | 55135dfbf3dd83cb3e98deed8271b62d188404e1 (diff) | |
parent | 6e2a587eb99267367409097b70cb2d61b09e5269 (diff) |
Merge branch 'defconfigs-for-arnd' of git://git.linaro.org/people/triad/linux-stericsson into fixes
Diffstat (limited to 'arch/x86/kernel/cpu/mcheck/mce.c')
-rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 362056aefeb4..2af127d4c3d1 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1634,16 +1634,35 @@ static long mce_chrdev_ioctl(struct file *f, unsigned int cmd, } } -/* Modified in mce-inject.c, so not static or const */ -struct file_operations mce_chrdev_ops = { +static ssize_t (*mce_write)(struct file *filp, const char __user *ubuf, + size_t usize, loff_t *off); + +void register_mce_write_callback(ssize_t (*fn)(struct file *filp, + const char __user *ubuf, + size_t usize, loff_t *off)) +{ + mce_write = fn; +} +EXPORT_SYMBOL_GPL(register_mce_write_callback); + +ssize_t mce_chrdev_write(struct file *filp, const char __user *ubuf, + size_t usize, loff_t *off) +{ + if (mce_write) + return mce_write(filp, ubuf, usize, off); + else + return -EINVAL; +} + +static const struct file_operations mce_chrdev_ops = { .open = mce_chrdev_open, .release = mce_chrdev_release, .read = mce_chrdev_read, + .write = mce_chrdev_write, .poll = mce_chrdev_poll, .unlocked_ioctl = mce_chrdev_ioctl, .llseek = no_llseek, }; -EXPORT_SYMBOL_GPL(mce_chrdev_ops); static struct miscdevice mce_chrdev_device = { MISC_MCELOG_MINOR, |