forked from Minki/linux
6daf141401
The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on.
Also, notice that, dynamic memory allocations won't be affected by
this change:
"Flexible array members have incomplete type, and so the sizeof operator
may not be applied. As a quirk of the original implementation of
zero-length arrays, sizeof evaluates to zero."[1]
Lastly, fix checkpatch.pl warning
WARNING: __aligned(size) is preferred over __attribute__((aligned(size)))
in net/bridge/netfilter/ebtables.c
This issue was found with the help of Coccinelle.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit
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|---|---|---|
| .. | ||
| ebt_802_3.c | ||
| ebt_among.c | ||
| ebt_arp.c | ||
| ebt_arpreply.c | ||
| ebt_dnat.c | ||
| ebt_ip6.c | ||
| ebt_ip.c | ||
| ebt_limit.c | ||
| ebt_log.c | ||
| ebt_mark_m.c | ||
| ebt_mark.c | ||
| ebt_nflog.c | ||
| ebt_pkttype.c | ||
| ebt_redirect.c | ||
| ebt_snat.c | ||
| ebt_stp.c | ||
| ebt_vlan.c | ||
| ebtable_broute.c | ||
| ebtable_filter.c | ||
| ebtable_nat.c | ||
| ebtables.c | ||
| Kconfig | ||
| Makefile | ||
| nf_conntrack_bridge.c | ||
| nf_log_bridge.c | ||
| nft_meta_bridge.c | ||
| nft_reject_bridge.c | ||