Merge tag 'media/v4.12-2' into patchwork

media fixes for v4.12-rc4

* tag 'media/v4.12-2': (598 commits)
  [media] rc-core: race condition during ir_raw_event_register()
  [media] cec: drop MEDIA_CEC_DEBUG
  [media] cec: rename MEDIA_CEC_NOTIFIER to CEC_NOTIFIER
  [media] cec: select CEC_CORE instead of depend on it
  [media] rainshadow-cec: ensure exit_loop is intialized
  [media] atomisp: don't treat warnings as errors
  Linux 4.12-rc3
  x86/ftrace: Make sure that ftrace trampolines are not RWX
  x86/mm/ftrace: Do not bug in early boot on irqs_disabled in cpu_flush_range()
  selftests/ftrace: Add a testcase for many kprobe events
  kprobes/x86: Fix to set RWX bits correctly before releasing trampoline
  ftrace: Fix memory leak in ftrace_graph_release()
  ipv4: add reference counting to metrics
  net: ethernet: ax88796: don't call free_irq without request_irq first
  ip6_tunnel, ip6_gre: fix setting of DSCP on encapsulated packets
  sctp: fix ICMP processing if skb is non-linear
  net: llc: add lock_sock in llc_ui_bind to avoid a race condition
  PCI/msi: fix the pci_alloc_irq_vectors_affinity stub
  blk-mq: Only register debugfs attributes for blk-mq queues
  x86/timers: Move simple_udelay_calibration past init_hypervisor_platform
  ...

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

1 files changed, 6 insertions, 7 deletions

diff --git a/arch/sparc/kernel/ftrace.c b/arch/sparc/kernel/ftrace.c
index 6bcff698069b..cec54dc4ab81 100644
--- a/arch/sparc/kernel/ftrace.c
+++ b/arch/sparc/kernel/ftrace.c
@@ -130,17 +130,16 @@ unsigned long prepare_ftrace_return(unsigned long parent,
 	if (unlikely(atomic_read(&current->tracing_graph_pause)))
 		return parent + 8UL;
 
-	if (ftrace_push_return_trace(parent, self_addr, &trace.depth,
-				     frame_pointer, NULL) == -EBUSY)
-		return parent + 8UL;
-
 	trace.func = self_addr;
+	trace.depth = current->curr_ret_stack + 1;
 
 	/* Only trace if the calling function expects to */
-	if (!ftrace_graph_entry(&trace)) {
-		current->curr_ret_stack--;
+	if (!ftrace_graph_entry(&trace))
+		return parent + 8UL;
+
+	if (ftrace_push_return_trace(parent, self_addr, &trace.depth,
+				     frame_pointer, NULL) == -EBUSY)
 		return parent + 8UL;
-	}
 
 	return return_hooker;
 }