Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[linux-2.6] / arch / x86 / kernel / apm_32.c

diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 00e6d1370954cea194647e68312b1c80ddb66932..bf9b441331e9fb2f42ec1a89fcc683d48c6af839 100644 (file)
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -204,6 +204,7 @@
 #include <linux/module.h>
 
 #include <linux/poll.h>
+#include <linux/smp_lock.h>
 #include <linux/types.h>
 #include <linux/stddef.h>
 #include <linux/timer.h>
@@ -1212,9 +1213,9 @@ static int suspend(int vetoable)
        if (err != APM_SUCCESS)
                apm_error("suspend", err);
        err = (err == APM_SUCCESS) ? 0 : -EIO;
-       device_power_up();
+       device_power_up(PMSG_RESUME);
        local_irq_enable();
-       device_resume();
+       device_resume(PMSG_RESUME);
        queue_event(APM_NORMAL_RESUME, NULL);
        spin_lock(&user_list_lock);
        for (as = user_list; as != NULL; as = as->next) {
@@ -1239,7 +1240,7 @@ static void standby(void)
                apm_error("standby", err);
 
        local_irq_disable();
-       device_power_up();
+       device_power_up(PMSG_RESUME);
        local_irq_enable();
 }
 
@@ -1325,7 +1326,7 @@ static void check_events(void)
                        ignore_bounce = 1;
                        if ((event != APM_NORMAL_RESUME)
                            || (ignore_normal_resume == 0)) {
-                               device_resume();
+                               device_resume(PMSG_RESUME);
                                queue_event(event, NULL);
                        }
                        ignore_normal_resume = 0;
@@ -1549,10 +1550,12 @@ static int do_open(struct inode *inode, struct file *filp)
 {
        struct apm_user *as;
 
+       lock_kernel();
        as = kmalloc(sizeof(*as), GFP_KERNEL);
        if (as == NULL) {
                printk(KERN_ERR "apm: cannot allocate struct of size %d bytes\n",
                       sizeof(*as));
+                      unlock_kernel();
                return -ENOMEM;
        }
        as->magic = APM_BIOS_MAGIC;
@@ -1574,6 +1577,7 @@ static int do_open(struct inode *inode, struct file *filp)
        user_list = as;
        spin_unlock(&user_list_lock);
        filp->private_data = as;
+       unlock_kernel();
        return 0;
 }