linux-kernel - [PATCH v2] drm/msm: use BUG

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Message-Id: <20200109094226.4967-1-wambui.karugax@gmail.com>
Date:   Thu,  9 Jan 2020 12:42:26 +0300
From:   Wambui Karuga <wambui.karugax@...il.com>
To:     robdclark@...il.com, sean@...rly.run, airlied@...ux.ie,
        daniel@...ll.ch
Cc:     linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] drm/msm: use BUG_ON macro for debugging.

As the if statement only checks for the value of the offset_name
variable, it can be replaced by the more conscise BUG_ON macro for error
reporting.

v2: format expression to less than 80 characters for each line.

Signed-off-by: Wambui Karuga <wambui.karugax@...il.com>
---
 drivers/gpu/drm/msm/adreno/adreno_gpu.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index c7441fb8313e..d1843abc3ac7 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -315,10 +315,8 @@ OUT_PKT7(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
 static inline bool adreno_reg_check(struct adreno_gpu *gpu,
 		enum adreno_regs offset_name)
 {
-	if (offset_name >= REG_ADRENO_REGISTER_MAX ||
-			!gpu->reg_offsets[offset_name]) {
-		BUG();
-	}
+	BUG_ON(offset_name >= REG_ADRENO_REGISTER_MAX ||
+	       !gpu->reg_offsets[offset_name]);
 
 	/*
 	 * REG_SKIP is a special value that tell us that the register in
-- 
2.17.1