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-rw-r--r--arch/mips/sibyte/sb1250/bcm1250_tbprof.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/mips/sibyte/sb1250/bcm1250_tbprof.c b/arch/mips/sibyte/sb1250/bcm1250_tbprof.c
index e4dfeb52dce..992e0d8dbb6 100644
--- a/arch/mips/sibyte/sb1250/bcm1250_tbprof.c
+++ b/arch/mips/sibyte/sb1250/bcm1250_tbprof.c
@@ -28,6 +28,7 @@
#include <linux/fs.h>
#include <linux/errno.h>
#include <linux/reboot.h>
+#include <linux/smp_lock.h>
#include <linux/wait.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -343,13 +344,13 @@ static ssize_t sbprof_tb_read(struct file *filp, char *buf,
return count;
}
-static int sbprof_tb_ioctl(struct inode *inode,
- struct file *filp,
- unsigned int command,
- unsigned long arg)
+static long sbprof_tb_ioctl(struct file *filp,
+ unsigned int command,
+ unsigned long arg)
{
int error = 0;
+ lock_kernel();
switch (command) {
case SBPROF_ZBSTART:
error = sbprof_zbprof_start(filp);
@@ -368,6 +369,7 @@ static int sbprof_tb_ioctl(struct inode *inode,
error = -EINVAL;
break;
}
+ unlock_kernel();
return error;
}
@@ -377,7 +379,8 @@ static struct file_operations sbprof_tb_fops = {
.open = sbprof_tb_open,
.release = sbprof_tb_release,
.read = sbprof_tb_read,
- .ioctl = sbprof_tb_ioctl,
+ .unlocked_ioctl = sbprof_tb_ioctl,
+ .compat_ioctl = sbprof_tb_ioctl,
.mmap = NULL,
};