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authorIngo Molnar <mingo@elte.hu>2008-07-18 21:13:20 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 21:13:20 +0200
commitf6dc8ccaab6d8f63cbae1e6c73fe972b26f5376c (patch)
treec5643fcdc884a8d0bfc3f1bc28039cab7394e5bc /arch/cris/arch-v10/drivers/gpio.c
parent323ec001c6bb98eeabb5abbdbb8c8055d9496554 (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
Merge branch 'linus' into core/generic-dma-coherent
Conflicts: kernel/Makefile Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/cris/arch-v10/drivers/gpio.c')
-rw-r--r--arch/cris/arch-v10/drivers/gpio.c3
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;
}