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| author | Arnd Bergmann <arnd@arndb.de> | 2008-05-20 19:16:11 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-20 22:05:58 +0200 |
| commit | b9bde77a6a4f76b767d4363a5f74127528426159 (patch) | |
| tree | 58bba5cd9b1199ad29ab742c5f9f4429da707728 /drivers/macintosh/smu.c | |
| parent | lcd: BKL pushdown (diff) | |
| download | linux-b9bde77a6a4f76b767d4363a5f74127528426159.tar.xz linux-b9bde77a6a4f76b767d4363a5f74127528426159.zip | |
macintosh-smu: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to '')
| -rw-r--r-- | drivers/macintosh/smu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index 77ad192962c5..b82fcd210bf3 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -19,6 +19,7 @@ * the userland interface */ +#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/device.h> @@ -1083,10 +1084,12 @@ static int smu_open(struct inode *inode, struct file *file) pp->mode = smu_file_commands; init_waitqueue_head(&pp->wait); + lock_kernel(); spin_lock_irqsave(&smu_clist_lock, flags); list_add(&pp->list, &smu_clist); spin_unlock_irqrestore(&smu_clist_lock, flags); file->private_data = pp; + unlock_kernel(); return 0; } |