From 50fa46b25490039ef51ef0dc8afdded60c4d3b59 Mon Sep 17 00:00:00 2001 From: Roel Kluin <12o3l@tiscali.nl> Date: Sat, 26 Apr 2008 11:25:18 -0300 Subject: [PATCH] V4L/DVB (7733): blackbird_find_mailbox negative return ignored in blackbird_initialize_codec() dev->mailbox is unsigned. so a negative return goes unnoticed Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-blackbird.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index 61c4f72644b8..6c0c94c5ef91 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -546,10 +546,12 @@ static int blackbird_initialize_codec(struct cx8802_dev *dev) if (retval < 0) return retval; - dev->mailbox = blackbird_find_mailbox(dev); - if (dev->mailbox < 0) + retval = blackbird_find_mailbox(dev); + if (retval < 0) return -1; + dev->mailbox = retval; + retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ if (retval < 0) { dprintk(0, "ERROR: Firmware ping failed!\n"); -- 2.39.2