AuxXxilium/linux_dsm_epyc7002
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7a0fbcf7c3
linux_dsm_epyc7002/drivers/usb/gadget/udc
History
Nathan Chancellor 7a0fbcf7c3 USB: gadget: udc: s3c2410_udc: Remove pointless NULL check in s3c2410_udc_nuke 
Clang warns:

drivers/usb/gadget/udc/s3c2410_udc.c:255:11: warning: comparison of
address of 'ep->queue' equal to a null pointer is always false
[-Wtautological-pointer-compare]
        if (&ep->queue == NULL)
             ~~~~^~~~~    ~~~~
1 warning generated.

It is not wrong, queue is not a pointer so if ep is not NULL, the
address of queue cannot be NULL. No other driver does a check like this
and this check has been around since the driver was first introduced,
presumably with no issues so it does not seem like this check should be
something else. Just remove it.

Commit afe956c577 ("kbuild: Enable -Wtautological-compare") exposed
this but it is not the root cause of the warning.

Fixes: 3fc154b6b8 ("USB Gadget driver for Samsung s3c2410 ARM SoC")
Link: https://github.com/ClangBuiltLinux/linux/issues/1004
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-05-25 11:09:39 +03:00
..
aspeed-vhub usb: gadget: aspeed: fixup usb1 device descriptor at init time 2020-05-05 10:58:52 +03:00
bdc usb: gadget: udc: bdc: Remove unnecessary NULL checks in bdc_req_complete 2020-04-16 11:02:26 +03:00
amd5536udc_pci.c usb: gadget: udc: amd5536udc_pci: remove useless cast for driver.name 2020-02-19 11:10:24 +01:00
amd5536udc.h usb: gadget: amd5536udc: fix spelling mistake "reserverd" -> "reserved" 2020-03-15 12:08:07 +02:00
at91_udc.c usb: gadget: at91_udc: remove useless cast for driver.name 2020-02-19 11:10:25 +01:00
at91_udc.h
atmel_usba_udc.c usb: gadget: udc: atmel: Fix vbus disconnect handling 2020-04-17 11:55:29 +03:00
atmel_usba_udc.h usb: gadget: atmel: support USB suspend 2019-05-03 09:13:49 +03:00
bcm63xx_udc.c usb: gadget: bcm63xx_udc: create debugfs directory under usb root 2019-11-14 11:16:35 +08:00
core.c usb: gadget: udc: core: Warn about failed to find udc 2020-01-15 10:39:21 +01:00
dummy_hcd.c usb: gadget: dummy_hcd: remove useless cast for driver.name 2020-02-19 11:10:25 +01:00
fotg210-udc.c usb: gadget: fotg210-udc: remove useless cast for driver.name 2020-02-19 11:10:25 +01:00
fotg210.h
fsl_mxc_udc.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
fsl_qe_udc.c
fsl_qe_udc.h usb: Spelling s/enpoint/endpoint/ 2019-11-04 15:53:00 +01:00
fsl_udc_core.c usb: gadget: fsl: remove unused variable 'driver_desc' 2020-03-26 15:05:44 +01:00
fsl_usb2_udc.h
fusb300_udc.c usb: gadget: fusb300_udc: remove useless cast for driver.name 2020-02-19 11:10:25 +01:00
fusb300_udc.h
goku_udc.c usb: gadget: goku_udc: remove useless cast for driver.name 2020-02-19 11:10:25 +01:00
goku_udc.h usb: gadget: udc: change comparison to bitshift when dealing with a mask 2018-03-08 15:12:00 +02:00
gr_udc.c usb: gadget: udc: remove unused 'driver_desc' 2020-05-25 11:09:37 +03:00
gr_udc.h USB: gadget: udc: gr_udc: no need to check return value of debugfs_create functions 2018-05-31 12:54:22 +02:00
Kconfig usb: gadget: tegra-xudc: Remove usb-role-switch support 2020-03-19 14:18:57 +01:00
lpc32xx_udc.c usb: gadget: lpc32xx_udc: remove useless cast for driver.name 2020-02-19 11:10:25 +01:00
m66592-udc.c usb: gadget: m66592-udc: remove useless cast for driver.name 2020-02-19 11:10:26 +01:00
m66592-udc.h
Makefile usb: gadget: add udc driver for max3420 2020-03-15 11:06:39 +02:00
max3420_udc.c usb: gadget: max3420: Add a missing '\n' in a log message 2020-05-25 11:09:37 +03:00
mv_u3d_core.c
mv_u3d.h usb: Spelling s/enpoint/endpoint/ 2019-11-04 15:53:00 +01:00
mv_udc_core.c usb: gadget: udc: Remove unnecessary parentheses 2018-10-02 10:30:07 +03:00
mv_udc.h
net2272.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
net2272.h
net2280.c usb: gadget: net2280: Distribute switch variables for initialization 2020-03-04 10:51:21 +01:00
net2280.h usb: gadget: net2280: Move all "ll" registers in one structure 2019-08-30 09:14:38 +03:00
omap_udc.c usb: gadget: omap_udc: remove useless cast for driver.name 2020-02-19 11:10:26 +01:00
omap_udc.h
pch_udc.c usb: gadget: pch_udc: fix use after free 2019-11-07 11:14:51 +01:00
pxa25x_udc.c usb: gadget: pxa25x_udc: use devm_platform_ioremap_resource() to simplify code 2019-10-22 10:29:37 +03:00
pxa25x_udc.h
pxa27x_udc.c usb: gadget: pxa27x: create debugfs directory under usb root 2019-11-14 17:50:09 +08:00
pxa27x_udc.h USB: gadget: udc: pxa27x_udc: no need to check return value of debugfs_create functions 2018-05-31 12:54:22 +02:00
r8a66597-udc.c usb: gadget: r8a66597-udc: remove useless cast for driver.name 2020-02-19 11:10:26 +01:00
r8a66597-udc.h
renesas_usb3.c usb: roles: Provide the switch drivers handle to the switch in the API 2020-03-04 11:12:50 +01:00
s3c2410_udc.c USB: gadget: udc: s3c2410_udc: Remove pointless NULL check in s3c2410_udc_nuke 2020-05-25 11:09:39 +03:00
s3c2410_udc.h
s3c-hsudc.c udc: s3c-hsudc: Silence warning about supplies during deferred probe 2020-03-15 12:04:27 +02:00
snps_udc_core.c usb: gadget: udc: reduce indentation 2019-01-28 12:51:30 +02:00
snps_udc_plat.c
tegra-xudc.c usb: gadget: tegra-xudc: Add vbus_draw support 2020-05-25 11:09:36 +03:00
trace.c
trace.h
udc-xilinx.c usb: gadget: udc-xilinx: Fix xudc_stop() kernel-doc format 2020-02-12 10:39:00 -08:00