udev-rule: check function retun value is negative or not, instead of non-zero
authorYu Watanabe <watanabe.yu+github@gmail.com>
Wed, 30 Jan 2019 06:55:28 +0000 (07:55 +0100)
committerYu Watanabe <watanabe.yu+github@gmail.com>
Tue, 12 Feb 2019 02:03:40 +0000 (11:03 +0900)
commit76b9bdd96f9bee0e2b8291d71b9300596c0014d9
treeedc35bedeed2f9776ba66c24f2c4780d82adc323
parent605aa52f83c4628e4fd64ebca1ffcb3c48462ca8
udev-rule: check function retun value is negative or not, instead of non-zero

One exception is udev_event_spawn(), which returns negative or positive
value on failure.
src/udev/udev-rules.c