From ac0a73fb526100adc521ec2069623e47ca3997a8 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.king@canonical.com>
Date: Thu, 18 May 2017 14:39:42 +0100
Subject: [PATCH] drm/i915: Check C for null pointer rather than B
Git-commit: ac0a73fb526100adc521ec2069623e47ca3997a8
Patch-mainline: v4.13-rc1
References: FATE#322643 bsc#1055900

There are two occasions where pointer B is being check for a NULL
when it should be pointer C instead. Fix these.

Detected by CoverityScan, CID#1436348,1436349 ("Logically Dead Code")

Fixes: 47624cc3301b60 ("drm/i915: Import the kfence selftests for i915_sw_fence")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170518133942.5660-1-colin.king@canonical.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/i915/selftests/i915_sw_fence.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
@@ -311,7 +311,7 @@ static int test_AB_C(void *arg)
 	}
 
 	C = alloc_fence();
-	if (!B) {
+	if (!C) {
 		ret = -ENOMEM;
 		goto err_B;
 	}
@@ -388,7 +388,7 @@ static int test_C_AB(void *arg)
 	}
 
 	C = alloc_fence();
-	if (!B) {
+	if (!C) {
 		ret = -ENOMEM;
 		goto err_B;
 	}