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hidraw: return -ETIMEDOUT when a timeout occured

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Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
This commit is contained in:
Benjamin Tissoires
2015-09-07 12:31:04 -04:00
parent a8e592e1bc
commit 7a679c9f97
1 changed files with 5 additions and 1 deletions
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6
src/libratbag-hidraw.c
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@@ -143,9 +143,13 @@ ratbag_hidraw_read_input_report(struct ratbag_device *device, uint8_t *buf, size
fds.fd = device->hidraw_fd;
fds.events = POLLIN;
if (poll(&fds, 1, 1000) == -1)
rc = poll(&fds, 1, 1000);
if (rc == -1)
return -errno;
if (rc == 0)
return -ETIMEDOUT;
rc = read(device->hidraw_fd, buf, len);
return rc >= 0 ? rc : -errno;
}