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gnss: sirf: fix activation retry handling

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commit 06fd9ab12b804451b14d538adbf98a57c2d6846b upstream.

Fix activation helper which would return -ETIMEDOUT even if the last
retry attempt was successful.

Also change the semantics of the retries variable so that it actually
holds the number of retries (rather than tries).

Fixes: d2efbbd18b ("gnss: add driver for sirfstar-based receivers")
Cc: stable <stable@vger.kernel.org>	# 4.19
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2018-12-05 11:21:49 +01:00 committed by Greg Kroah-Hartman
parent 41867ab9b0
commit 3c1773b027
1 changed files with 3 additions and 3 deletions
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6
drivers/gnss/sirf.c
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@ -168,7 +168,7 @@ static int sirf_set_active(struct sirf_data *data, bool active)
else
timeout = SIRF_HIBERNATE_TIMEOUT;
while (retries-- > 0) {
do {
sirf_pulse_on_off(data);
ret = sirf_wait_for_power_state(data, active, timeout);
if (ret < 0) {
@ -179,9 +179,9 @@ static int sirf_set_active(struct sirf_data *data, bool active)
}
break;
}
} while (retries--);
if (retries == 0)
if (retries < 0)
return -ETIMEDOUT;
return 0;