diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2024-06-28 15:47:25 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2024-07-03 13:48:53 -0700 |
| commit | 8bccf667f62a2351fd0b2a2fe5ba90806702c048 (patch) | |
| tree | d8ac182e78911c4ff03822adbf5776061badfdc7 /drivers/input | |
| parent | e8688b93ce00230614406d189e8286315832469a (diff) | |
Input: cypress_ps2 - report timeouts when reading command status
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>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/mouse/cypress_ps2.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/input/mouse/cypress_ps2.c b/drivers/input/mouse/cypress_ps2.c index fcc3921e49e0..8e17cd0bc437 100644 --- a/drivers/input/mouse/cypress_ps2.c +++ b/drivers/input/mouse/cypress_ps2.c @@ -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); |