target/linux/brcm2708/patches-4.14/950-0140-staging-vchiq_arm-Make-debugfs-failure-non-fatal.patch

   1 From a200e0d898cd6396061e3a1901ac73df389b6e3d Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Tue, 12 Dec 2017 12:12:46 +0000
   4 Subject: [PATCH 140/454] staging: vchiq_arm: Make debugfs failure non-fatal
   5
   6 It can be useful to be able to open multiple vchiq instances in a
   7 single process. This currently fails due to a debugfs collision,
   8 so make such a failure non-fatal.
   9
  10 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
  11 ---
  12  .../staging/vc04_services/interface/vchiq_arm/vchiq_arm.c   | 6 +-----
  13  1 file changed, 1 insertion(+), 5 deletions(-)
  14
  15 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
  16 +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
  17 @@ -1754,11 +1754,7 @@ vchiq_open(struct inode *inode, struct f
  18                 instance->state = state;
  19                 instance->pid = current->tgid;
  20
  21 -               ret = vchiq_debugfs_add_instance(instance);
  22 -               if (ret != 0) {
  23 -                       kfree(instance);
  24 -                       return ret;
  25 -               }
  26 +               (void)vchiq_debugfs_add_instance(instance);
  27
  28                 sema_init(&instance->insert_event, 0);
  29                 sema_init(&instance->remove_event, 0);