[PATCH][next] s390/fcx: Replace zero-length array with flexible-array member

Gustavo A. R. Silva
2023-04-06T14:29:05Z

Zero-length arrays are deprecated [1] and have to be replaced by C99
flexible-array members.

This helps with the ongoing efforts to tighten the FORTIFY_SOURCE routines
on memcpy() and help to make progress towards globally enabling
-fstrict-flex-arrays=3 [2]

Link: https://github.com/KSPP/linux/issues/78 [1]
Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [2]
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
arch/s390/include/asm/fcx.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/include/asm/fcx.h b/arch/s390/include/asm/fcx.h
index b8a028a36173..29784b4b44f6 100644
--- a/arch/s390/include/asm/fcx.h
+++ b/arch/s390/include/asm/fcx.h
@@ -286,7 +286,7 @@ struct tccb_tcat {
*/
struct tccb {
struct tccb_tcah tcah;
- u8 tca[0];
+ u8 tca[];
} __attribute__ ((packed, aligned(8)));

struct tcw *tcw_get_intrg(struct tcw *tcw);
--
2.34.1