X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmisc%2Fsony-laptop.c;h=60775be22822901f0a67e70878eceac666ab1afa;hb=88bef5a4074e0568cf54df410f41065c06694d8a;hp=02ff3d19b1ccaf40981c861e9977c43eea634f3f;hpb=074fcab574a36edec35d2e74955250f2e17d6000;p=linux-2.6

diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index 02ff3d19b1..60775be228 100644
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -46,6 +46,7 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>
+#include <linux/smp_lock.h>
 #include <linux/types.h>
 #include <linux/backlight.h>
 #include <linux/platform_device.h>
@@ -961,7 +962,7 @@ static int sony_nc_resume(struct acpi_device *device)
 		ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
 				       item->value, NULL);
 		if (ret < 0) {
-			printk("%s: %d\n", __FUNCTION__, ret);
+			printk("%s: %d\n", __func__, ret);
 			break;
 		}
 	}
@@ -1453,7 +1454,7 @@ static struct sonypi_eventtypes type4_events[] = {
 		udelay(1);						\
 	if (!n)								\
 		dprintk("command failed at %s : %s (line %d)\n",	\
-				__FILE__, __FUNCTION__, __LINE__);	\
+				__FILE__, __func__, __LINE__);	\
 }
 
 static u8 sony_pic_call1(u8 dev)
@@ -1927,8 +1928,10 @@ static int sonypi_misc_release(struct inode *inode, struct file *file)
 static int sonypi_misc_open(struct inode *inode, struct file *file)
 {
 	/* Flush input queue on first open */
+	lock_kernel();
 	if (atomic_inc_return(&sonypi_compat.open_count) == 1)
 		kfifo_reset(sonypi_compat.fifo);
+	unlock_kernel();
 	return 0;
 }