From: Ivan Grokhotkov <ivan@espressif.com>
Date: Thu, 19 Apr 2018 07:01:50 +0000 (+0800)
Subject: Merge branch 'bugfix/fix_gpio_install_isr_service_check_value' into 'master'
X-Git-Tag: v3.1-beta1~242
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b297b72abb99a1bf9479116924d06d3eb5f53783;p=esp-idf

Merge branch 'bugfix/fix_gpio_install_isr_service_check_value' into 'master'

driver(gpio): modify return value when gpio ISR service already exists.

See merge request idf/esp-idf!2125
---

b297b72abb99a1bf9479116924d06d3eb5f53783