diff options
| author | Jonathan Corbet <corbet@lwn.net> | 2008-05-15 09:10:18 -0600 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-05-18 15:43:40 -0600 |
| commit | 0c401df37ef9f45f35390a5574e24cbf3f916acf (patch) | |
| tree | 653b41d514cee2c55565a5b560a5d8238d55e39b /arch/cris/arch-v10/drivers/gpio.c | |
| parent | 75bd2ef1457998791cfc89cd59927574488fc22a (diff) | |
| download | lwn-0c401df37ef9f45f35390a5574e24cbf3f916acf.tar.gz lwn-0c401df37ef9f45f35390a5574e24cbf3f916acf.zip | |
cris: cdev lock_kernel() pushdown
Push the cdev lock_kernel() call into cris drivers.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'arch/cris/arch-v10/drivers/gpio.c')
| -rw-r--r-- | arch/cris/arch-v10/drivers/gpio.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c index 68a998bd1069..86048e697eb5 100644 --- a/arch/cris/arch-v10/drivers/gpio.c +++ b/arch/cris/arch-v10/drivers/gpio.c @@ -16,6 +16,7 @@ #include <linux/errno.h> #include <linux/kernel.h> #include <linux/fs.h> +#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/poll.h> #include <linux/init.h> @@ -323,6 +324,7 @@ gpio_open(struct inode *inode, struct file *filp) if (!priv) return -ENOMEM; + lock_kernel(); priv->minor = p; /* initialize the io/alarm struct */ @@ -357,6 +359,7 @@ gpio_open(struct inode *inode, struct file *filp) alarmlist = priv; spin_unlock_irqrestore(&gpio_lock, flags); + unlock_kernel(); return 0; } |