The patch titled
Subject: CFLAGS: add -Wunused-but-set-parameter
has been added to the -mm tree. Its filename is
cflags-add-wunused-but-set-parameter.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/cflags-add-wunused-but-set-parameter.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/cflags-add-wunused-but-set-parameter.patch
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------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: CFLAGS: add -Wunused-but-set-parameter
-Wunused-but-set-parameter is finding stuff with current allmodconfig:
drivers/misc/mic/scif/scif_dma.c:118:27: warning: parameter 'ep' set but not used [-Wunused-but-set-parameter]
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c:2156:8: warning: parameter 'function' set but not used [-Wunused-but-set-parameter]
drivers/net/ethernet/ti/tlan.c:1647:59: warning: parameter 'host_int' set but not used [-Wunused-but-set-parameter]
drivers/usb/gadget/udc/pxa27x_udc.c:1828:74: warning: parameter 'driver' set but not used [-Wunused-but-set-parameter]
and judging by changelogs, people were using it before,
but were too scared to touch top level Makefile.
Link: http://lkml.kernel.org/r/20160707214306.GB31678@xxxxxxxxxxxxxxx
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Michal Marek <mmarek@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Makefile | 1 +
1 file changed, 1 insertion(+)
diff -puN Makefile~cflags-add-wunused-but-set-parameter Makefile
--- a/Makefile~cflags-add-wunused-but-set-parameter
+++ a/Makefile
@@ -399,6 +399,7 @@ KBUILD_CFLAGS := -Wall -Wundef -Wstric
-Werror-implicit-function-declaration \
-Wno-format-security \
-std=gnu89
+KBUILD_CFLAGS += -Wunused-but-set-parameter
KBUILD_AFLAGS_KERNEL :=
KBUILD_CFLAGS_KERNEL :=
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
cflags-add-wunused-but-set-parameter.patch
ban-config_localversion_auto-with-allmodconfig.patch
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