Re: [PATCH v2] net: phy: leds: Don't make our own link speed names

From: kbuild test robot
Date: Fri Nov 09 2018 - 18:09:27 EST


Hi Kyle,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]
[also build test WARNING on v4.20-rc1 next-20181109]
[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/Kyle-Roeschley/net-phy-leds-Don-t-make-our-own-link-speed-names/20181109-143344
config: x86_64-allmodconfig (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/net/phy/phy_led_triggers.c:82:53: warning: incorrect type in argument 4 (different modifiers)
drivers/net/phy/phy_led_triggers.c:82:53: expected char *suffix
drivers/net/phy/phy_led_triggers.c:82:53: got char const *
drivers/net/phy/phy_led_triggers.c: In function 'phy_led_trigger_register':
drivers/net/phy/phy_led_triggers.c:82:9: warning: passing argument 4 of 'phy_led_trigger_format_name' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
phy_speed_to_str(speed));
^~~~~~~~~~~~~~~~
drivers/net/phy/phy_led_triggers.c:69:13: note: expected 'char *' but argument is of type 'const char *'
static void phy_led_trigger_format_name(struct phy_device *phy, char *buf,
^~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +82 drivers/net/phy/phy_led_triggers.c

75
76 static int phy_led_trigger_register(struct phy_device *phy,
77 struct phy_led_trigger *plt,
78 unsigned int speed)
79 {
80 plt->speed = speed;
81 phy_led_trigger_format_name(phy, plt->name, sizeof(plt->name),
> 82 phy_speed_to_str(speed));
83 plt->trigger.name = plt->name;
84
85 return led_trigger_register(&plt->trigger);
86 }
87

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