diff options
Diffstat (limited to 'arch/i386/kernel/apm.c')
| -rw-r--r-- | arch/i386/kernel/apm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c index a915181a9..bd7c62bdf 100644 --- a/arch/i386/kernel/apm.c +++ b/arch/i386/kernel/apm.c @@ -181,6 +181,7 @@ #include <linux/sched.h> #include <linux/pm.h> #include <linux/kernel.h> +#include <linux/smp_lock.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -1268,6 +1269,7 @@ static int do_release(struct inode * inode, struct file * filp) if (check_apm_user(as, "release")) return 0; filp->private_data = NULL; + lock_kernel(); if (as->standbys_pending > 0) { standbys_pending -= as->standbys_pending; if (standbys_pending <= 0) @@ -1292,6 +1294,7 @@ static int do_release(struct inode * inode, struct file * filp) else as1->next = as->next; } + unlock_kernel(); kfree_s(as, sizeof(*as)); return 0; } |