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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-15 01:44:51 -0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-15 01:44:51 -0400
commit43d2548bb2ef7e6d753f91468a746784041e522d (patch)
tree77d13fcd48fd998393abb825ec36e2b732684a73 /drivers/char/ppdev.c
parent585583d95c5660973bc0cf64add517b040acd8a4 (diff)
parent85082fd7cbe3173198aac0eb5e85ab1edcc6352c (diff)
Merge commit '85082fd7cbe3173198aac0eb5e85ab1edcc6352c' into test-build
Manual fixup of: arch/powerpc/Kconfig
Diffstat (limited to 'drivers/char/ppdev.c')
-rw-r--r--drivers/char/ppdev.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 3aab837d9480..f6e6acadd9a0 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -66,6 +66,7 @@
66#include <linux/poll.h> 66#include <linux/poll.h>
67#include <linux/major.h> 67#include <linux/major.h>
68#include <linux/ppdev.h> 68#include <linux/ppdev.h>
69#include <linux/smp_lock.h>
69#include <asm/uaccess.h> 70#include <asm/uaccess.h>
70 71
71#define PP_VERSION "ppdev: user-space parallel port driver" 72#define PP_VERSION "ppdev: user-space parallel port driver"
@@ -638,6 +639,7 @@ static int pp_open (struct inode * inode, struct file * file)
638 unsigned int minor = iminor(inode); 639 unsigned int minor = iminor(inode);
639 struct pp_struct *pp; 640 struct pp_struct *pp;
640 641
642 cycle_kernel_lock();
641 if (minor >= PARPORT_MAX) 643 if (minor >= PARPORT_MAX)
642 return -ENXIO; 644 return -ENXIO;
643 645