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Diffstat (limited to 'arch/um/kernel/exec.c')
-rw-r--r--arch/um/kernel/exec.c25
1 files changed, 6 insertions, 19 deletions
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 6cade9366364..8c82786da823 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -39,34 +39,21 @@ void flush_thread(void)
39 39
40void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp) 40void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
41{ 41{
42 get_safe_registers(regs->regs.gp, regs->regs.fp);
42 PT_REGS_IP(regs) = eip; 43 PT_REGS_IP(regs) = eip;
43 PT_REGS_SP(regs) = esp; 44 PT_REGS_SP(regs) = esp;
44} 45 current->ptrace &= ~PT_DTRACE;
45EXPORT_SYMBOL(start_thread);
46
47static long execve1(const char *file,
48 const char __user *const __user *argv,
49 const char __user *const __user *env)
50{
51 long error;
52
53 error = do_execve(file, argv, env, &current->thread.regs);
54 if (error == 0) {
55 task_lock(current);
56 current->ptrace &= ~PT_DTRACE;
57#ifdef SUBARCH_EXECVE1 46#ifdef SUBARCH_EXECVE1
58 SUBARCH_EXECVE1(&current->thread.regs.regs); 47 SUBARCH_EXECVE1(regs->regs);
59#endif 48#endif
60 task_unlock(current);
61 }
62 return error;
63} 49}
50EXPORT_SYMBOL(start_thread);
64 51
65long um_execve(const char *file, const char __user *const __user *argv, const char __user *const __user *env) 52long um_execve(const char *file, const char __user *const __user *argv, const char __user *const __user *env)
66{ 53{
67 long err; 54 long err;
68 55
69 err = execve1(file, argv, env); 56 err = do_execve(file, argv, env, &current->thread.regs);
70 if (!err) 57 if (!err)
71 UML_LONGJMP(current->thread.exec_buf, 1); 58 UML_LONGJMP(current->thread.exec_buf, 1);
72 return err; 59 return err;
@@ -81,7 +68,7 @@ long sys_execve(const char __user *file, const char __user *const __user *argv,
81 filename = getname(file); 68 filename = getname(file);
82 error = PTR_ERR(filename); 69 error = PTR_ERR(filename);
83 if (IS_ERR(filename)) goto out; 70 if (IS_ERR(filename)) goto out;
84 error = execve1(filename, argv, env); 71 error = do_execve(filename, argv, env, &current->thread.regs);
85 putname(filename); 72 putname(filename);
86 out: 73 out:
87 return error; 74 return error;