From: Markus Theil Date: Tue, 11 Feb 2025 06:33:31 +0000 (+0100) Subject: media: vivid: use prandom X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8c0cf6542e040831ffa05221d8222dd650314a36;p=thirdparty%2Fkernel%2Flinux.git media: vivid: use prandom This is part of a prandom cleanup, which removes next_pseudo_random32 and replaces it with the standard PRNG. Signed-off-by: Markus Theil Reviewed-by: Krzysztof Karas Signed-off-by: Jason A. Donenfeld --- diff --git a/drivers/media/test-drivers/vivid/vivid-vid-cap.c b/drivers/media/test-drivers/vivid/vivid-vid-cap.c index 8b3162e820327..b95f06a9b5ae9 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-cap.c @@ -302,8 +302,10 @@ void vivid_update_quality(struct vivid_dev *dev) */ freq_modulus = (dev->tv_freq - 676 /* (43.25-1) * 16 */) % (6 * 16); if (freq_modulus > 2 * 16) { + struct rnd_state prng; + prandom_seed_state(&prng, dev->tv_freq ^ 0x55); tpg_s_quality(&dev->tpg, TPG_QUAL_NOISE, - next_pseudo_random32(dev->tv_freq ^ 0x55) & 0x3f); + prandom_u32_state(&prng) & 0x3f); return; } if (freq_modulus < 12 /*0.75 * 16*/ || freq_modulus > 20 /*1.25 * 16*/)