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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-07-21 00:55:14 -0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-07-21 00:55:14 -0400 |
| commit | 908cf4b925e419bc74f3297b2f0e51d6f8a81da2 (patch) | |
| tree | 6c2da79366d4695a9c2560ab18259eca8a2a25b4 /drivers/char/cs5535_gpio.c | |
| parent | 92c49890922d54cba4b1eadeb0b185773c2c9570 (diff) | |
| parent | 14b395e35d1afdd8019d11b92e28041fad591b71 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
Diffstat (limited to 'drivers/char/cs5535_gpio.c')
| -rw-r--r-- | drivers/char/cs5535_gpio.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/cs5535_gpio.c b/drivers/char/cs5535_gpio.c index c0a4a0bb509..04ba906b488 100644 --- a/drivers/char/cs5535_gpio.c +++ b/drivers/char/cs5535_gpio.c @@ -17,6 +17,7 @@ #include <linux/cdev.h> #include <linux/ioport.h> #include <linux/pci.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -157,6 +158,7 @@ static int cs5535_gpio_open(struct inode *inode, struct file *file) { u32 m = iminor(inode); + cycle_kernel_lock(); /* the mask says which pins are usable by this driver */ if ((mask & (1 << m)) == 0) return -EINVAL; |