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authorGustavo A. R. Silva <gustavoars@kernel.org>2022-02-14 19:11:44 -0600
committerGustavo A. R. Silva <gustavoars@kernel.org>2022-02-17 07:00:39 -0600
commit5224f79096170bf7b92cc8fe42a12f44b91e5f62 (patch)
tree4a1aa6767d05015793171bb77b07b042a830fc4c /arch/xtensa
parent26291c54e111ff6ba87a164d85d4a4e134b7315c (diff)
treewide: Replace zero-length arrays with flexible-array members
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. This code was transformed with the help of Coccinelle: (next-20220214$ spatch --jobs $(getconf _NPROCESSORS_ONLN) --sp-file script.cocci --include-headers --dir . > output.patch) @@ identifier S, member, array; type T1, T2; @@ struct S { ... T1 member; T2 array[ - 0 ]; }; UAPI and wireless changes were intentionally excluded from this patch and will be sent out separately. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays Link: https://github.com/KSPP/linux/issues/78 Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/include/asm/bootparam.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/xtensa/include/asm/bootparam.h b/arch/xtensa/include/asm/bootparam.h
index 892aab399ac8..6333bd1eb9d2 100644
--- a/arch/xtensa/include/asm/bootparam.h
+++ b/arch/xtensa/include/asm/bootparam.h
@@ -34,7 +34,7 @@
typedef struct bp_tag {
unsigned short id; /* tag id */
unsigned short size; /* size of this record excluding the structure*/
- unsigned long data[0]; /* data */
+ unsigned long data[]; /* data */
} bp_tag_t;
struct bp_meminfo {