drm/i915/dvo: Use sizeof(*variable) instead of sizeof(type)

Prefer sizeof(*variable) to sizeof(type) to make it a bit
harder to screw things up.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240208151720.7866-14-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/display/dvo_ch7017.c

@@ -205,7 +205,7 @@ static bool ch7017_init(struct intel_dvo_device *dvo,
 	const char *str;
 	u8 val;
 
-	priv = kzalloc(sizeof(struct ch7017_priv), GFP_KERNEL);
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (priv == NULL)
 		return false;
 

drivers/gpu/drm/i915/display/dvo_ch7xxx.c

@@ -216,7 +216,7 @@ static bool ch7xxx_init(struct intel_dvo_device *dvo,
 	u8 vendor, device;
 	char *name, *devid;
 
-	ch7xxx = kzalloc(sizeof(struct ch7xxx_priv), GFP_KERNEL);
+	ch7xxx = kzalloc(sizeof(*ch7xxx), GFP_KERNEL);
 	if (ch7xxx == NULL)
 		return false;
 

drivers/gpu/drm/i915/display/dvo_ivch.c

@@ -267,7 +267,7 @@ static bool ivch_init(struct intel_dvo_device *dvo,
 	u16 temp;
 	int i;
 
-	priv = kzalloc(sizeof(struct ivch_priv), GFP_KERNEL);
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (priv == NULL)
 		return false;
 

drivers/gpu/drm/i915/display/dvo_ns2501.c

@@ -476,7 +476,7 @@ static bool ns2501_init(struct intel_dvo_device *dvo,
 	struct ns2501_priv *ns;
 	unsigned char ch;
 
-	ns = kzalloc(sizeof(struct ns2501_priv), GFP_KERNEL);
+	ns = kzalloc(sizeof(*ns), GFP_KERNEL);
 	if (ns == NULL)
 		return false;
 

drivers/gpu/drm/i915/display/dvo_sil164.c

@@ -141,7 +141,7 @@ static bool sil164_init(struct intel_dvo_device *dvo,
 	struct sil164_priv *sil;
 	unsigned char ch;
 
-	sil = kzalloc(sizeof(struct sil164_priv), GFP_KERNEL);
+	sil = kzalloc(sizeof(*sil), GFP_KERNEL);
 	if (sil == NULL)
 		return false;
 

drivers/gpu/drm/i915/display/dvo_tfp410.c

@@ -173,7 +173,7 @@ static bool tfp410_init(struct intel_dvo_device *dvo,
 	struct tfp410_priv *tfp;
 	int id;
 
-	tfp = kzalloc(sizeof(struct tfp410_priv), GFP_KERNEL);
+	tfp = kzalloc(sizeof(*tfp), GFP_KERNEL);
 	if (tfp == NULL)
 		return false;