mptcp: dedicated request sock for subflow in v6

[platform/kernel/linux-rpi.git] / fs / pstore / pmsg.c

diff --git a/fs/pstore/pmsg.c b/fs/pstore/pmsg.c
index d8542ec..18cf94b 100644 (file)
--- a/fs/pstore/pmsg.c
+++ b/fs/pstore/pmsg.c
@@ -7,9 +7,10 @@
 #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)
@@ -28,9 +29,9 @@ static ssize_t write_pmsg(struct file *file, const char __user *buf,
        if (!access_ok(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;
 }