diff options
Diffstat (limited to 'drivers/char/vr41xx_giu.c')
-rw-r--r-- | drivers/char/vr41xx_giu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c index 412937fdb958..ffe9b4e3072e 100644 --- a/drivers/char/vr41xx_giu.c +++ b/drivers/char/vr41xx_giu.c | |||
@@ -27,6 +27,7 @@ | |||
27 | #include <linux/kernel.h> | 27 | #include <linux/kernel.h> |
28 | #include <linux/module.h> | 28 | #include <linux/module.h> |
29 | #include <linux/platform_device.h> | 29 | #include <linux/platform_device.h> |
30 | #include <linux/smp_lock.h> | ||
30 | #include <linux/spinlock.h> | 31 | #include <linux/spinlock.h> |
31 | #include <linux/types.h> | 32 | #include <linux/types.h> |
32 | 33 | ||
@@ -543,12 +544,11 @@ static ssize_t gpio_write(struct file *file, const char __user *data, | |||
543 | return i; | 544 | return i; |
544 | } | 545 | } |
545 | 546 | ||
546 | /* No BKL needed here; only global (giu_nr_pins) is only set | ||
547 | at probe time */ | ||
548 | static int gpio_open(struct inode *inode, struct file *file) | 547 | static int gpio_open(struct inode *inode, struct file *file) |
549 | { | 548 | { |
550 | unsigned int pin; | 549 | unsigned int pin; |
551 | 550 | ||
551 | cycle_kernel_lock(); | ||
552 | pin = iminor(inode); | 552 | pin = iminor(inode); |
553 | if (pin >= giu_nr_pins) | 553 | if (pin >= giu_nr_pins) |
554 | return -EBADF; | 554 | return -EBADF; |