diff mbox series

adv7842: remove spurious & and fix vga_edid size

Message ID 2ca8a9d9-c96d-f525-8bd3-5b72f5bbc5ef@xs4all.nl
State New
Headers show
Series adv7842: remove spurious & and fix vga_edid size | expand

Commit Message

Hans Verkuil June 10, 2021, 6:11 a.m. UTC 
No need to use & to get the start address of an array.

Fix the size of vga_edid.edid to a single block (128 bytes) to fix
this smatch error:

adv7842.c:2538 adv7842_set_edid() error: memcpy() '&state->vga_edid.edid' too small (128 vs 512)

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
diff mbox series

Patch

diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c
index 78e61fe6f2f0..21dde17e6b37 100644
--- a/drivers/media/i2c/adv7842.c
+++ b/drivers/media/i2c/adv7842.c
@@ -2531,20 +2531,20 @@  static int adv7842_set_edid(struct v4l2_subdev *sd, struct v4l2_edid *e)

 	switch (e->pad) {
 	case ADV7842_EDID_PORT_VGA:
-		memset(&state->vga_edid.edid, 0, sizeof(state->vga_edid.edid));
+		memset(state->vga_edid.edid, 0, sizeof(state->vga_edid.edid));
 		state->vga_edid.blocks = e->blocks;
 		state->vga_edid.present = e->blocks ? 0x1 : 0x0;
 		if (e->blocks)
-			memcpy(&state->vga_edid.edid, e->edid, 128 * e->blocks);
+			memcpy(state->vga_edid.edid, e->edid, 128);
 		err = edid_write_vga_segment(sd);
 		break;
 	case ADV7842_EDID_PORT_A:
 	case ADV7842_EDID_PORT_B:
-		memset(&state->hdmi_edid.edid, 0, sizeof(state->hdmi_edid.edid));
+		memset(state->hdmi_edid.edid, 0, sizeof(state->hdmi_edid.edid));
 		state->hdmi_edid.blocks = e->blocks;
 		if (e->blocks) {
 			state->hdmi_edid.present |= 0x04 << e->pad;
-			memcpy(&state->hdmi_edid.edid, e->edid, 128 * e->blocks);
+			memcpy(state->hdmi_edid.edid, e->edid, 128 * e->blocks);
 		} else {
 			state->hdmi_edid.present &= ~(0x04 << e->pad);
 			adv7842_s_detect_tx_5v_ctrl(sd);