drivers/media/dvb-frontends/stb0899_drv.h:151:36: error: weak declaration of 'stb0899_attach' being applied to a already existing, static definition

From: kbuild test robot
Date: Sun Feb 25 2018 - 04:06:05 EST


Hi Wolfgang,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3664ce2d930983966d2aac0e167f1332988c4e25
commit: 6cdeaed3b1420bd2569891be0c4123ff59628e9e media: dvb_usb_pctv452e: module refcount changes were unbalanced
date: 2 months ago
config: x86_64-randconfig-s4-02251536 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
git checkout 6cdeaed3b1420bd2569891be0c4123ff59628e9e
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

In file included from drivers/media/usb/dvb-usb/pctv452e.c:20:0:
drivers/media/usb/dvb-usb/pctv452e.c: In function 'pctv452e_frontend_attach':
>> drivers/media/dvb-frontends/stb0899_drv.h:151:36: error: weak declaration of 'stb0899_attach' being applied to a already existing, static definition
static inline struct dvb_frontend *stb0899_attach(struct stb0899_config *config,
^~~~~~~~~~~~~~

vim +/stb0899_attach +151 drivers/media/dvb-frontends/stb0899_drv.h

ae9902da9 drivers/media/dvb/frontends/stb0899_drv.h Manu Abraham 2007-10-08 150
ae9902da9 drivers/media/dvb/frontends/stb0899_drv.h Manu Abraham 2007-10-08 @151 static inline struct dvb_frontend *stb0899_attach(struct stb0899_config *config,
ae9902da9 drivers/media/dvb/frontends/stb0899_drv.h Manu Abraham 2007-10-08 152 struct i2c_adapter *i2c)
ae9902da9 drivers/media/dvb/frontends/stb0899_drv.h Manu Abraham 2007-10-08 153 {
ae9902da9 drivers/media/dvb/frontends/stb0899_drv.h Manu Abraham 2007-10-08 154 printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__);
ae9902da9 drivers/media/dvb/frontends/stb0899_drv.h Manu Abraham 2007-10-08 155 return NULL;
ae9902da9 drivers/media/dvb/frontends/stb0899_drv.h Manu Abraham 2007-10-08 156 }
ae9902da9 drivers/media/dvb/frontends/stb0899_drv.h Manu Abraham 2007-10-08 157

:::::: The code at line 151 was first introduced by commit
:::::: ae9902da96b4d2d82707706c7fbc93a8e501dde8 V4L/DVB (9417): DVB_ATTACH for STB0899, STB6100, TDA8261

:::::: TO: Manu Abraham <abraham.manu@xxxxxxxxx>
:::::: CC: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>

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