[patch] i915: remove unneed NULL checks

[Dan Carpenter]

We don't need to check the list cursor in a list_for_each_entry().  It's
always non-null.

Signed-off-by: Dan Carpenter <erro...@gmail.com>

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index cc8131f..8a2bdfc 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -745,7 +745,7 @@ bool intel_pipe_has_type (struct drm_crtc *crtc, int type)
     struct drm_encoder *l_entry;
 
     list_for_each_entry(l_entry, &mode_config->encoder_list, head) {
-           if (l_entry && l_entry->crtc == crtc) {
+           if (l_entry->crtc == crtc) {
                    struct intel_encoder *intel_encoder = 
enc_to_intel_encoder(l_entry);
                    if (intel_encoder->type == type)
                            return true;
@@ -3322,7 +3322,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 
        list_for_each_entry(encoder, &mode_config->encoder_list, head) {
 
-               if (!encoder || encoder->crtc != crtc)
+               if (encoder->crtc != crtc)
                        continue;
 
                intel_encoder = enc_to_intel_encoder(encoder);
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