diff options
Diffstat (limited to 'fs/pstore/pmsg.c')
| -rw-r--r-- | fs/pstore/pmsg.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/pstore/pmsg.c b/fs/pstore/pmsg.c index 24db02de1..ffc13ea19 100644 --- a/fs/pstore/pmsg.c +++ b/fs/pstore/pmsg.c @@ -15,9 +15,10 @@ #include <linux/device.h> #include <linux/fs.h> #include <linux/uaccess.h> +#include <linux/rtmutex.h> #include "internal.h" -static DEFINE_MUTEX(pmsg_lock); +static DEFINE_RT_MUTEX(pmsg_lock); static ssize_t write_pmsg(struct file *file, const char __user *buf, size_t count, loff_t *ppos) @@ -36,9 +37,9 @@ static ssize_t write_pmsg(struct file *file, const char __user *buf, if (!access_ok(VERIFY_READ, buf, count)) return -EFAULT; - mutex_lock(&pmsg_lock); + rt_mutex_lock(&pmsg_lock); ret = psinfo->write_user(&record, buf); - mutex_unlock(&pmsg_lock); + rt_mutex_unlock(&pmsg_lock); return ret ? ret : count; } |