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Diffstat (limited to 'arch/mips/kernel/irixioctl.c')
-rw-r--r--arch/mips/kernel/irixioctl.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/mips/kernel/irixioctl.c b/arch/mips/kernel/irixioctl.c
index 4cd3d38a22c2..3cdc22346f4c 100644
--- a/arch/mips/kernel/irixioctl.c
+++ b/arch/mips/kernel/irixioctl.c
@@ -14,6 +14,7 @@
#include <linux/syscalls.h>
#include <linux/tty.h>
#include <linux/file.h>
+#include <linux/rcupdate.h>
#include <asm/uaccess.h>
#include <asm/ioctl.h>
@@ -33,7 +34,7 @@ static struct tty_struct *get_tty(int fd)
struct file *filp;
struct tty_struct *ttyp = NULL;
- spin_lock(&current->files->file_lock);
+ rcu_read_lock();
filp = fcheck(fd);
if(filp && filp->private_data) {
ttyp = (struct tty_struct *) filp->private_data;
@@ -41,7 +42,7 @@ static struct tty_struct *get_tty(int fd)
if(ttyp->magic != TTY_MAGIC)
ttyp =NULL;
}
- spin_unlock(&current->files->file_lock);
+ rcu_read_unlock();
return ttyp;
}