Revert "um: Fix wait_stub_done() error handling"

This reverts commit 0974a9cadc7886f7baaa458bb0c89f5c5f9d458e.
The real for for that issue is to release current->mm->mmap_sem in
fix_range_common().

Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index d531879a4617695e02df3c1550922cfede7ea4e3..908579f2b0ab14cf464777c0a45a37eb849d341f 100644 (file)
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -54,7 +54,7 @@ static int ptrace_dump_regs(int pid)
 
 void wait_stub_done(int pid)
 {
-       int n, status, err, bad_stop = 0;
+       int n, status, err;
 
        while (1) {
                CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED | __WALL));
@@ -74,8 +74,6 @@ void wait_stub_done(int pid)
 
        if (((1 << WSTOPSIG(status)) & STUB_DONE_MASK) != 0)
                return;
-       else
-               bad_stop = 1;
 
 bad_wait:
        err = ptrace_dump_regs(pid);
@@ -85,10 +83,7 @@ bad_wait:
        printk(UM_KERN_ERR "wait_stub_done : failed to wait for SIGTRAP, "
               "pid = %d, n = %d, errno = %d, status = 0x%x\n", pid, n, errno,
               status);
-       if (bad_stop)
-               kill(pid, SIGKILL);
-       else
-               fatal_sigsegv();
+       fatal_sigsegv();
 }
 
 extern unsigned long current_stub_stack(void);