diff options
author | YueHaibing <yuehaibing@huawei.com> | 2018-11-23 09:54:55 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-12 19:45:59 +0100 |
commit | c7d8d629fd6998675278471cc8d6ffd7de6efc41 (patch) | |
tree | 6bed368d97157201103ef83d3223b8562fa4d9da /drivers/ptp | |
parent | 0049727a4b991b227c03d43c6530fcbe3d2dc6fe (diff) |
ptp: Fix pass zero to ERR_PTR() in ptp_clock_register
[ Upstream commit aea0a897af9e44c258e8ab9296fad417f1bc063a ]
Fix smatch warning:
drivers/ptp/ptp_clock.c:298 ptp_clock_register() warn:
passing zero to 'ERR_PTR'
'err' should be set while device_create_with_groups and
pps_register_source fails
Fixes: 85a66e550195 ("ptp: create "pins" together with the rest of attributes")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/ptp')
-rw-r--r-- | drivers/ptp/ptp_clock.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c index 7eacc1c4b3b1..c64903a5978f 100644 --- a/drivers/ptp/ptp_clock.c +++ b/drivers/ptp/ptp_clock.c @@ -253,8 +253,10 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info, ptp->dev = device_create_with_groups(ptp_class, parent, ptp->devid, ptp, ptp->pin_attr_groups, "ptp%d", ptp->index); - if (IS_ERR(ptp->dev)) + if (IS_ERR(ptp->dev)) { + err = PTR_ERR(ptp->dev); goto no_device; + } /* Register a new PPS source. */ if (info->pps) { @@ -265,6 +267,7 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info, pps.owner = info->owner; ptp->pps_source = pps_register_source(&pps, PTP_PPS_DEFAULTS); if (!ptp->pps_source) { + err = -EINVAL; pr_err("failed to register pps source\n"); goto no_pps; } |