Commit 3071e9b3 authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by Vasily Gorbik
Browse files

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

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: default avatarGustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/ZC7XGpUtVhqlRLhH@work


Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent 81e84796

arch/s390/include/asm/diag.h

+1 −1
Original line number Diff line number Diff line
@@ -90,7 +90,7 @@ struct diag8c { 
	u8 num_partitions;

	u16 width;

	u16 height;

	u8 data[0];

	u8 data[];

} __packed __aligned(4);



extern int diag8c(struct diag8c *out, struct ccw_dev_id *devno);