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| author | Ben Dooks <ben-linux@fluff.org> | 2008-07-15 19:19:14 (GMT) |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2008-07-15 19:19:14 (GMT) |
| commit | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (patch) | |
| tree | 313b3b9ca04727f3704464e01d8dd97da1dd534b /drivers/misc/sony-laptop.c | |
| parent | 19c1d6a34abf73d0baf8e325d018c920fa78dddc (diff) | |
| parent | b9d2252c1e44fa83a4e65fdc9eb93db6297c55af (diff) | |
| download | linux-fsl-qoriq-0c17e4ceedd35c78b1c7413dbd16279a350be6bc.tar.xz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-rmk
Diffstat (limited to 'drivers/misc/sony-laptop.c')
| -rw-r--r-- | drivers/misc/sony-laptop.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c index 00e48e2..60775be 100644 --- a/drivers/misc/sony-laptop.c +++ b/drivers/misc/sony-laptop.c @@ -46,6 +46,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> +#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/backlight.h> #include <linux/platform_device.h> @@ -1927,8 +1928,10 @@ static int sonypi_misc_release(struct inode *inode, struct file *file) static int sonypi_misc_open(struct inode *inode, struct file *file) { /* Flush input queue on first open */ + lock_kernel(); if (atomic_inc_return(&sonypi_compat.open_count) == 1) kfifo_reset(sonypi_compat.fifo); + unlock_kernel(); return 0; } |