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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 <mchehab@infradead.org>
This commit is contained in:
Roel Kluin 2008-04-26 11:25:18 -03:00 committed by Mauro Carvalho Chehab
parent 63b79cfa05
commit 50fa46b254
1 changed files with 4 additions and 2 deletions
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6
drivers/media/video/cx88/cx88-blackbird.c
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@ -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");