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Input: cypress_ps2 - report timeouts when reading command status

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Report -ETIMEDOUT error code from cypress_ps2_read_cmd_status() when
device does not send enough data within the allotted time in response
to a command.

Link: https://lore.kernel.org/r/20240628224728.2180126-3-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2024-06-28 15:47:25 -07:00
parent e8688b93ce
commit 8bccf667f6
1 changed files with 6 additions and 3 deletions
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9
drivers/input/mouse/cypress_ps2.c
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@ -115,9 +115,12 @@ static int cypress_ps2_read_cmd_status(struct psmouse *psmouse,
if (rc < 0)
goto out;
wait_event_timeout(ps2dev->wait,
(psmouse->pktcnt >= pktsize),
msecs_to_jiffies(CYTP_CMD_TIMEOUT));
if (!wait_event_timeout(ps2dev->wait,
psmouse->pktcnt >= pktsize,
msecs_to_jiffies(CYTP_CMD_TIMEOUT))) {
rc = -ETIMEDOUT;
goto out;
}
memcpy(param, psmouse->packet, pktsize);