From: Ravikant B Sharma <ravikant.s2@samsung.com>
Date: Tue, 8 Nov 2016 05:49:42 +0000 (+0530)
Subject: drm/amd/amdgpu : Fix NULL pointer comparison
X-Git-Tag: v4.10-rc1~154^2~14^2~31
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3f12325ab8dc3a35f77eaf0155bd6d6e78f67e9c;p=karo-tx-linux.git

drm/amd/amdgpu : Fix NULL pointer comparison

Replace direct comparisons to NULL i.e.
'x == NULL' with '!x'. As per coding standard.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Ravikant B Sharma <ravikant.s2@samsung.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
index 2b6afe123f3d..b7e2762fcdd2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
@@ -70,7 +70,7 @@ static bool igp_read_bios_from_vram(struct amdgpu_device *adev)
 		return false;
 	}
 	adev->bios = kmalloc(size, GFP_KERNEL);
-	if (adev->bios == NULL) {
+	if (!adev->bios) {
 		iounmap(bios);
 		return false;
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
index 34a795463988..de9f919ae336 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
@@ -327,9 +327,8 @@ int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
 		return -EINVAL;
 
 	*sa_bo = kmalloc(sizeof(struct amdgpu_sa_bo), GFP_KERNEL);
-	if ((*sa_bo) == NULL) {
+	if (!(*sa_bo))
 		return -ENOMEM;
-	}
 	(*sa_bo)->manager = sa_manager;
 	(*sa_bo)->fence = NULL;
 	INIT_LIST_HEAD(&(*sa_bo)->olist);
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 1ac88b1fb1a1..ab84bff18727 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3904,7 +3904,7 @@ static int gfx_v8_0_init_save_restore_list(struct amdgpu_device *adev)
 	int list_size;
 	unsigned int *register_list_format =
 		kmalloc(adev->gfx.rlc.reg_list_format_size_bytes, GFP_KERNEL);
-	if (register_list_format == NULL)
+	if (!register_list_format)
 		return -ENOMEM;
 	memcpy(register_list_format, adev->gfx.rlc.register_list_format,
 			adev->gfx.rlc.reg_list_format_size_bytes);