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Subject: media: pulse8-cec: handle possible ping error Author: Dmitry Antipov <[email protected]> Date: Tue Jun 6 06:38:15 2023 +0200 Handle (and warn about) possible error waiting for MSGCODE_PING result. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Dmitry Antipov <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/cec/usb/pulse8/pulse8-cec.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- diff --git a/drivers/media/cec/usb/pulse8/pulse8-cec.c b/drivers/media/cec/usb/pulse8/pulse8-cec.c index 04b13cdc38d2..ba67587bd43e 100644 --- a/drivers/media/cec/usb/pulse8/pulse8-cec.c +++ b/drivers/media/cec/usb/pulse8/pulse8-cec.c @@ -809,8 +809,11 @@ static void pulse8_ping_eeprom_work_handler(struct work_struct *work) mutex_lock(&pulse8->lock); cmd = MSGCODE_PING; - pulse8_send_and_wait(pulse8, &cmd, 1, - MSGCODE_COMMAND_ACCEPTED, 0); + if (pulse8_send_and_wait(pulse8, &cmd, 1, + MSGCODE_COMMAND_ACCEPTED, 0)) { + dev_warn(pulse8->dev, "failed to ping EEPROM\n"); + goto unlock; + } if (pulse8->vers < 2) goto unlock; _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
