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authorIngo Molnar <mingo@elte.hu>2008-07-18 19:31:12 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 19:31:12 +0200
commit3e370b29d35fb01bfb92c2814d6f79bf6a2cb970 (patch)
tree3b8fb467d60bfe6a34686f4abdc3a60050ba40a4 /drivers/char/ppdev.c
parent88d1dce3a74367291f65a757fbdcaf17f042f30c (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
Merge branch 'linus' into x86/pci-ioapic-boot-irq-quirks
Conflicts: drivers/pci/quirks.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 3aab837d948..f6e6acadd9a 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -66,6 +66,7 @@
#include <linux/poll.h>
#include <linux/major.h>
#include <linux/ppdev.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#define PP_VERSION "ppdev: user-space parallel port driver"
@@ -638,6 +639,7 @@ static int pp_open (struct inode * inode, struct file * file)
unsigned int minor = iminor(inode);
struct pp_struct *pp;
+ cycle_kernel_lock();
if (minor >= PARPORT_MAX)
return -ENXIO;