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f7d84fa704
As such macro will check if the expression is true, it may fall through, as
warned:
In file included from ./include/uapi/linux/stddef.h:1:0,
from ./include/linux/stddef.h:4,
from ./include/uapi/linux/posix_types.h:4,
from ./include/uapi/linux/types.h:13,
from ./include/linux/types.h:5,
from ./drivers/media/dvb-core/dvb_frontend.h:35,
from drivers/media/tuners/fc0011.h:4,
from drivers/media/tuners/fc0011.c:20:
drivers/media/tuners/fc0011.c: In function 'fc0011_set_params':
./include/linux/compiler.h:179:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
# define unlikely(x) __builtin_expect(!!(x), 0)
^~~~~~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/bug.h:109:2: note: in expansion of macro 'unlikely'
unlikely(__ret_warn_on); \
^~~~~~~~
drivers/media/tuners/fc0011.c:344:3: note: in expansion of macro 'WARN_ON'
WARN_ON(1);
^~~~~~~
drivers/media/tuners/fc0011.c:345:2: note: here
case 0:
^~~~
In file included from ./include/uapi/linux/stddef.h:1:0,
from ./include/linux/stddef.h:4,
from ./include/uapi/linux/posix_types.h:4,
from ./include/uapi/linux/types.h:13,
from ./include/linux/types.h:5,
from ./include/linux/list.h:4,
from ./include/linux/module.h:9,
from drivers/media/pci/tw5864/tw5864-video.c:17:
drivers/media/pci/tw5864/tw5864-video.c: In function 'tw5864_fmt_vid_cap':
./include/linux/compiler.h:179:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
# define unlikely(x) __builtin_expect(!!(x), 0)
^~~~~~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/bug.h:68:2: note: in expansion of macro 'unlikely'
unlikely(__ret_warn_on); \
^~~~~~~~
drivers/media/pci/tw5864/tw5864-video.c:547:3: note: in expansion of macro 'WARN_ON_ONCE'
WARN_ON_ONCE(1);
^~~~~~~~~~~~
drivers/media/pci/tw5864/tw5864-video.c:548:2: note: here
case STD_NTSC:
^~~~
On both cases, it means an error, so, let's return an error
code, to make gcc happy.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Michael Büsch <m@bues.ch>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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|---|---|---|
| .. | ||
| e4000_priv.h | ||
| e4000.c | ||
| e4000.h | ||
| fc001x-common.h | ||
| fc0011.c | ||
| fc0011.h | ||
| fc0012-priv.h | ||
| fc0012.c | ||
| fc0012.h | ||
| fc0013-priv.h | ||
| fc0013.c | ||
| fc0013.h | ||
| fc2580_priv.h | ||
| fc2580.c | ||
| fc2580.h | ||
| it913x.c | ||
| it913x.h | ||
| Kconfig | ||
| m88rs6000t.c | ||
| m88rs6000t.h | ||
| Makefile | ||
| max2165_priv.h | ||
| max2165.c | ||
| max2165.h | ||
| mc44s803_priv.h | ||
| mc44s803.c | ||
| mc44s803.h | ||
| msi001.c | ||
| mt20xx.c | ||
| mt20xx.h | ||
| mt2060_priv.h | ||
| mt2060.c | ||
| mt2060.h | ||
| mt2063.c | ||
| mt2063.h | ||
| mt2131_priv.h | ||
| mt2131.c | ||
| mt2131.h | ||
| mt2266.c | ||
| mt2266.h | ||
| mxl301rf.c | ||
| mxl301rf.h | ||
| mxl5005s.c | ||
| mxl5005s.h | ||
| mxl5007t.c | ||
| mxl5007t.h | ||
| qm1d1c0042.c | ||
| qm1d1c0042.h | ||
| qt1010_priv.h | ||
| qt1010.c | ||
| qt1010.h | ||
| r820t.c | ||
| r820t.h | ||
| si2157_priv.h | ||
| si2157.c | ||
| si2157.h | ||
| tda827x.c | ||
| tda827x.h | ||
| tda8290.c | ||
| tda8290.h | ||
| tda9887.c | ||
| tda9887.h | ||
| tda18212.c | ||
| tda18212.h | ||
| tda18218_priv.h | ||
| tda18218.c | ||
| tda18218.h | ||
| tda18271-common.c | ||
| tda18271-fe.c | ||
| tda18271-maps.c | ||
| tda18271-priv.h | ||
| tda18271.h | ||
| tea5761.c | ||
| tea5761.h | ||
| tea5767.c | ||
| tea5767.h | ||
| tua9001_priv.h | ||
| tua9001.c | ||
| tua9001.h | ||
| tuner-i2c.h | ||
| tuner-simple.c | ||
| tuner-simple.h | ||
| tuner-types.c | ||
| tuner-xc2028-types.h | ||
| tuner-xc2028.c | ||
| tuner-xc2028.h | ||
| xc4000.c | ||
| xc4000.h | ||
| xc5000.c | ||
| xc5000.h | ||