Switch Sibyte profiling driver to ->compat_ioctl

    
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

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 e4dfeb52dcec..992e0d8dbb67 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,
 };