uprobes: Remove check for uprobe variable in handle_swbp()

by the time we get here (after we pass cleanup_ret) uprobe is always is
set. If it is NULL we leave very early in the code.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>

diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 7cff24c..0cefde2 100644 (file)
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -1516,17 +1516,15 @@ cleanup_ret:
                utask->active_uprobe = NULL;
                utask->state = UTASK_RUNNING;
        }
-       if (uprobe) {
-               if (!(uprobe->flags & UPROBE_SKIP_SSTEP))
+       if (!(uprobe->flags & UPROBE_SKIP_SSTEP))
 
-                       /*
-                        * cannot singlestep; cannot skip instruction;
-                        * re-execute the instruction.
-                        */
-                       instruction_pointer_set(regs, bp_vaddr);
+               /*
+                * cannot singlestep; cannot skip instruction;
+                * re-execute the instruction.
+                */
+               instruction_pointer_set(regs, bp_vaddr);
 
-               put_uprobe(uprobe);
-       }
+       put_uprobe(uprobe);
 }
 
 /*