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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:50:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:50:34 +0200 |
| commit | a208f37a465e222218974ab20a31b42b7b4893b2 (patch) | |
| tree | 77c6acdd4be32024330a14f2618b814126ce7a20 /drivers/char/ppdev.c | |
| parent | 511d9d34183662aada3890883e860b151d707e22 (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
| download | op-kernel-dev-a208f37a465e222218974ab20a31b42b7b4893b2.zip op-kernel-dev-a208f37a465e222218974ab20a31b42b7b4893b2.tar.gz | |
Merge branch 'linus' into x86/x2apic
Diffstat (limited to 'drivers/char/ppdev.c')
| -rw-r--r-- | drivers/char/ppdev.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index 3aab837..f6e6aca 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; |
