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macintosh-smu: BKL pushdown

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Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2008-05-20 19:16:11 +02:00 committed by Jonathan Corbet
parent 600bf8140c
commit b9bde77a6a
1 changed files with 3 additions and 0 deletions
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3
drivers/macintosh/smu.c
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@ -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;
}