aboutsummaryrefslogtreecommitdiffstats
path: root/arch/um
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/drivers/harddog_kern.c25
-rw-r--r--arch/um/kernel/skas/syscall.c10
2 files changed, 4 insertions, 31 deletions
diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c
index 2d0266d0254d..3282787bbcfb 100644
--- a/arch/um/drivers/harddog_kern.c
+++ b/arch/um/drivers/harddog_kern.c
@@ -175,27 +175,4 @@ static struct miscdevice harddog_miscdev = {
.name = "watchdog",
.fops = &harddog_fops,
};
-
-static char banner[] __initdata = KERN_INFO "UML Watchdog Timer\n";
-
-static int __init harddog_init(void)
-{
- int ret;
-
- ret = misc_register(&harddog_miscdev);
-
- if (ret)
- return ret;
-
- printk(banner);
-
- return 0;
-}
-
-static void __exit harddog_exit(void)
-{
- misc_deregister(&harddog_miscdev);
-}
-
-module_init(harddog_init);
-module_exit(harddog_exit);
+module_misc_device(harddog_miscdev);
diff --git a/arch/um/kernel/skas/syscall.c b/arch/um/kernel/skas/syscall.c
index ef4b8f949b51..b783ac87d98a 100644
--- a/arch/um/kernel/skas/syscall.c
+++ b/arch/um/kernel/skas/syscall.c
@@ -21,21 +21,17 @@ void handle_syscall(struct uml_pt_regs *r)
PT_REGS_SET_SYSCALL_RETURN(regs, -ENOSYS);
if (syscall_trace_enter(regs))
- return;
+ goto out;
/* Do the seccomp check after ptrace; failures should be fast. */
if (secure_computing(NULL) == -1)
- return;
+ goto out;
- /* Update the syscall number after orig_ax has potentially been updated
- * with ptrace.
- */
- UPT_SYSCALL_NR(r) = PT_SYSCALL_NR(r->gp);
syscall = UPT_SYSCALL_NR(r);
-
if (syscall >= 0 && syscall <= __NR_syscall_max)
PT_REGS_SET_SYSCALL_RETURN(regs,
EXECUTE_SYSCALL(syscall, regs));
+out:
syscall_trace_leave(regs);
}