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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 15:44:51 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 15:44:51 +1000 |
| commit | 43d2548bb2ef7e6d753f91468a746784041e522d (patch) | |
| tree | 77d13fcd48fd998393abb825ec36e2b732684a73 /drivers/char/ppdev.c | |
| parent | 585583d95c5660973bc0cf64add517b040acd8a4 (diff) | |
| parent | 85082fd7cbe3173198aac0eb5e85ab1edcc6352c (diff) | |
| download | linux-3.10-43d2548bb2ef7e6d753f91468a746784041e522d.tar.gz linux-3.10-43d2548bb2ef7e6d753f91468a746784041e522d.tar.bz2 linux-3.10-43d2548bb2ef7e6d753f91468a746784041e522d.zip | |
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.c | 2 |
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; |