gcc-9: silence 'address-of-packed-member' warning

commit 6f303d60534c46aa1a239f29c321f95c83dda748 upstream.

We already did this for clang, but now gcc has that warning too.  Yes,
yes, the address may be unaligned.  And that's kind of the point.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[sw0312.kim: cherry-pick stable linux-4.9.y commit 7601d81506ef for gcc 9 build]
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Change-Id: Id774c5d5a37b7761a7792be0fedc7282f19d45f8

diff --git a/Makefile b/Makefile
index 172dda944484aa422541a5ab105270ec167d91e4..16b569cec5a01e2882d22a5c034f6c6e24641332 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -633,6 +633,7 @@ KBUILD_CFLAGS       += $(call cc-disable-warning,frame-address,)
 KBUILD_CFLAGS  += $(call cc-disable-warning, format-truncation)
 KBUILD_CFLAGS  += $(call cc-disable-warning, format-overflow)
 KBUILD_CFLAGS  += $(call cc-disable-warning, int-in-bool-context)
+KBUILD_CFLAGS  += $(call cc-disable-warning, address-of-packed-member)
 KBUILD_CFLAGS  += $(call cc-disable-warning, attribute-alias)
 
 ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION