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authorYueHaibing <yuehaibing@huawei.com>2018-11-26 13:24:22 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-11-27 12:05:36 +0300
commit3b1ad360acad6052c2568f891bb3d0f3f057016f (patch)
treede4291619d8337d97483536676c2938931948c97 /drivers/pps/clients/pps_parport.c
parenteb30abeedee76c04bdf41c6d88545472c11a5632 (diff)
downloadlinux-3b1ad360acad6052c2568f891bb3d0f3f057016f.tar.xz
pps: using ERR_PTR instead of NULL while pps_register_source fails
pps_register_source() has keeps error codes in a local variable, but it does not make use of the code. This patch let it return the errcode in case of failure. Suggested-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Rodolfo Giometti <giometti@enneenne.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pps/clients/pps_parport.c')
-rw-r--r--drivers/pps/clients/pps_parport.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pps/clients/pps_parport.c b/drivers/pps/clients/pps_parport.c
index 4db824f88d00..7226e39aae83 100644
--- a/drivers/pps/clients/pps_parport.c
+++ b/drivers/pps/clients/pps_parport.c
@@ -179,7 +179,7 @@ static void parport_attach(struct parport *port)
device->pps = pps_register_source(&info,
PPS_CAPTUREBOTH | PPS_OFFSETASSERT | PPS_OFFSETCLEAR);
- if (device->pps == NULL) {
+ if (IS_ERR(device->pps)) {
pr_err("couldn't register PPS source\n");
goto err_release_dev;
}