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s390/fcx: replace zero-length array with flexible-array member

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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>
Link: https://lore.kernel.org/r/ZC7XT5prvoE4Yunm@work
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Gustavo A. R. Silva 2023-04-06 08:29:35 -06:00 committed by Vasily Gorbik
parent 3071e9b391
commit 6ca87bc4c8
1 changed files with 1 additions and 1 deletions
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2
arch/s390/include/asm/fcx.h
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@ -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);