| Message ID | YxKNA/3add4wxI3R@work (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | 37e2b57078d412547f1c14bb83eff86ab9d92d3d |
| Headers | show |
| Series | [next] exportfs: Replace zero-length array with DECLARE_FLEX_ARRAY() helper | expand |
On Sat, Sep 03, 2022 at 12:08:51AM +0100, Gustavo A. R. Silva wrote: > Zero-length arrays are deprecated and we are moving towards adopting > C99 flexible-array members instead. So, replace zero-length array > declaration in struct fid with the new DECLARE_FLEX_ARRAY() > helper macro. > > This helper allows for a flexible-array member in a union. > > Link: https://github.com/KSPP/linux/issues/21 > Link: https://github.com/KSPP/linux/issues/193 > Link: https://github.com/KSPP/linux/issues/197 > Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org>
diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h index fe848901fcc3..1640d97e4c0d 100644 --- a/include/linux/exportfs.h +++ b/include/linux/exportfs.h @@ -131,7 +131,7 @@ struct fid { u32 parent_block; u32 parent_generation; } udf; - __u32 raw[0]; + DECLARE_FLEX_ARRAY(__u32, raw); }; };
Zero-length arrays are deprecated and we are moving towards adopting C99 flexible-array members instead. So, replace zero-length array declaration in struct fid with the new DECLARE_FLEX_ARRAY() helper macro. This helper allows for a flexible-array member in a union. Link: https://github.com/KSPP/linux/issues/21 Link: https://github.com/KSPP/linux/issues/193 Link: https://github.com/KSPP/linux/issues/197 Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- include/linux/exportfs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)