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media: zoran: do not print random guest 0

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The slot 0 of guest is never initialized and so we print later random
data.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Corentin Labbe 2020-09-25 20:30:25 +02:00 committed by Mauro Carvalho Chehab
parent e2b35ed6af
commit 62d297ede7
1 changed files with 7 additions and 0 deletions
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7
drivers/staging/media/zoran/zoran_device.c
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@ -158,6 +158,9 @@ static void dump_guests(struct zoran *zr)
if (zr36067_debug > 2) {
int i, guest[8];
/* do not print random data */
guest[0] = 0;
for (i = 1; i < 8; i++) /* Don't read jpeg codec here */
guest[i] = post_office_read(zr, i, 0);
@ -170,6 +173,10 @@ void detect_guest_activity(struct zoran *zr)
int timeout, i, j, res, guest[8], guest0[8], change[8][3];
ktime_t t0, t1;
/* do not print random data */
guest[0] = 0;
guest0[0] = 0;
dump_guests(zr);
pci_info(zr->pci_dev, "Detecting guests activity, please wait...\n");
for (i = 1; i < 8; i++) /* Don't read jpeg codec here */