drm/amdgpu: fix ptr check warning in gfx10 ip_dump

[ Upstream commit 98df5a7732e3b78bf8824d2938a8865a45cfc113 ]

Change condition, if (ptr == NULL) to if (!ptr)
for a better format and fix the warning.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index e444e621ddaa01d185549bf9a0d1f311fad1b209..5b41c6a44068c4455c9e4f1b45e4b30de2fdde7e 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -4649,7 +4649,7 @@ static void gfx_v10_0_alloc_ip_dump(struct amdgpu_device *adev)
        uint32_t inst;
 
        ptr = kcalloc(reg_count, sizeof(uint32_t), GFP_KERNEL);
-       if (ptr == NULL) {
+       if (!ptr) {
                DRM_ERROR("Failed to allocate memory for GFX IP Dump\n");
                adev->gfx.ip_dump_core = NULL;
        } else {
@@ -4662,7 +4662,7 @@ static void gfx_v10_0_alloc_ip_dump(struct amdgpu_device *adev)
                adev->gfx.mec.num_queue_per_pipe;
 
        ptr = kcalloc(reg_count * inst, sizeof(uint32_t), GFP_KERNEL);
-       if (ptr == NULL) {
+       if (!ptr) {
                DRM_ERROR("Failed to allocate memory for Compute Queues IP Dump\n");
                adev->gfx.ip_dump_compute_queues = NULL;
        } else {
@@ -4675,7 +4675,7 @@ static void gfx_v10_0_alloc_ip_dump(struct amdgpu_device *adev)
                adev->gfx.me.num_queue_per_pipe;
 
        ptr = kcalloc(reg_count * inst, sizeof(uint32_t), GFP_KERNEL);
-       if (ptr == NULL) {
+       if (!ptr) {
                DRM_ERROR("Failed to allocate memory for GFX Queues IP Dump\n");
                adev->gfx.ip_dump_gfx_queues = NULL;
        } else {