From: Arnd Bergmann Date: Tue, 19 Feb 2019 17:01:58 +0000 (-0500) Subject: media: go7007: avoid clang frame overflow warning with KASAN X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ed713a4a1367aca5c0f2f329579465db00c17995;p=openwrt%2Fstaging%2Fblogic.git media: go7007: avoid clang frame overflow warning with KASAN clang-8 warns about one function here when KASAN is enabled, even without the 'asan-stack' option: drivers/media/usb/go7007/go7007-fw.c:1551:5: warning: stack frame size of 2656 bytes in function I have reported this issue in the llvm bugzilla, but to make it work with the clang-8 release, a small annotation is still needed. Link: https://bugs.llvm.org/show_bug.cgi?id=38809 Signed-off-by: Arnd Bergmann Signed-off-by: Hans Verkuil [hverkuil-cisco@xs4all.nl: fix checkpatch warning] Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/usb/go7007/go7007-fw.c b/drivers/media/usb/go7007/go7007-fw.c index 24f5b615dc7a..dfa9f899d0c2 100644 --- a/drivers/media/usb/go7007/go7007-fw.c +++ b/drivers/media/usb/go7007/go7007-fw.c @@ -1499,8 +1499,8 @@ static int modet_to_package(struct go7007 *go, __le16 *code, int space) return cnt; } -static int do_special(struct go7007 *go, u16 type, __le16 *code, int space, - int *framelen) +static noinline_for_stack int do_special(struct go7007 *go, u16 type, + __le16 *code, int space, int *framelen) { switch (type) { case SPECIAL_FRM_HEAD: