drm/amdgpu: fix ptr check warning in gfx11 ip_dump

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index e7c160b..22bb352 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -1502,7 +1502,7 @@ static void gfx_v11_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 {
@@ -1515,7 +1515,7 @@ static void gfx_v11_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 {
@@ -1528,7 +1528,7 @@ static void gfx_v11_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 {