drm/amd/amdgpu : Remove unused variable

Remove unused variable 'ret', and directly return 0.

Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/cz_ih.c b/drivers/gpu/drm/amd/amdgpu/cz_ih.c
index 863cb16..3d23a70 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/cz_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/cz_ih.c
@@ -103,7 +103,6 @@ static void cz_ih_disable_interrupts(struct amdgpu_device *adev)
  */
 static int cz_ih_irq_init(struct amdgpu_device *adev)
 {
-       int ret = 0;
        int rb_bufsz;
        u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
        u64 wptr_off;
@@ -157,7 +156,7 @@ static int cz_ih_irq_init(struct amdgpu_device *adev)
        /* enable interrupts */
        cz_ih_enable_interrupts(adev);
 
-       return ret;
+       return 0;
 }
 
 /**