diff options
Diffstat (limited to 'arch/mips/kernel/rtlx.c')
| -rw-r--r-- | arch/mips/kernel/rtlx.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index b88f1c18ff4d..b55641961232 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -28,6 +28,7 @@ #include <linux/vmalloc.h> #include <linux/elf.h> #include <linux/seq_file.h> +#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/moduleloader.h> #include <linux/interrupt.h> @@ -392,8 +393,12 @@ out: static int file_open(struct inode *inode, struct file *filp) { int minor = iminor(inode); + int err; - return rtlx_open(minor, (filp->f_flags & O_NONBLOCK) ? 0 : 1); + lock_kernel(); + err = rtlx_open(minor, (filp->f_flags & O_NONBLOCK) ? 0 : 1); + unlock_kernel(); + return err; } static int file_release(struct inode *inode, struct file *filp) |