Re: [PATCH] phy: core: Allow phy_pm_runtime_xxx API calls with NULL phy

From: kbuild test robot
Date: Sat Mar 17 2018 - 00:36:27 EST


Hi Manu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on v4.16-rc4]
[also build test WARNING on next-20180316]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Manu-Gautam/phy-core-Allow-phy_pm_runtime_xxx-API-calls-with-NULL-phy/20180317-114302
config: x86_64-randconfig-x002-201810 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

drivers/phy/phy-core.c: In function 'phy_pm_runtime_allow':
>> drivers/phy/phy-core.c:215:10: warning: 'return' with a value, in function returning void
return 0;
^
drivers/phy/phy-core.c:212:6: note: declared here
void phy_pm_runtime_allow(struct phy *phy)
^~~~~~~~~~~~~~~~~~~~
drivers/phy/phy-core.c: In function 'phy_pm_runtime_forbid':
drivers/phy/phy-core.c:227:10: warning: 'return' with a value, in function returning void
return 0;
^
drivers/phy/phy-core.c:224:6: note: declared here
void phy_pm_runtime_forbid(struct phy *phy)
^~~~~~~~~~~~~~~~~~~~~

vim +/return +215 drivers/phy/phy-core.c

211
212 void phy_pm_runtime_allow(struct phy *phy)
213 {
214 if (!phy)
> 215 return 0;
216
217 if (!pm_runtime_enabled(&phy->dev))
218 return;
219
220 pm_runtime_allow(&phy->dev);
221 }
222 EXPORT_SYMBOL_GPL(phy_pm_runtime_allow);
223

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