diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 856dcd91b3d4ba0ed040cdaa25f24d5cd45e5d66..164820003546d02f627692190de57fa18c7adcdd 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -307,12 +307,9 @@ drm_do_probe_ddc_edid(struct i2c_adapter *adapter, unsigned char *buf, static bool drm_edid_is_zero(u8 *in_edid, int length) { - int i; - u32 *raw_edid = (u32 *)in_edid; + if (memchr_inv(in_edid, 0, length)) + return false; - for (i = 0; i < length / 4; i++) - if (*(raw_edid + i) != 0) - return false; return true; }