net/mlx5: Replace zero-length array with flexible-array member
authorGustavo A. R. Silva <gustavoars@kernel.org>
Tue, 27 Oct 2020 20:28:40 +0000 (15:28 -0500)
committerGustavo A. R. Silva <gustavoars@kernel.org>
Fri, 30 Oct 2020 21:57:42 +0000 (16:57 -0500)
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].

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
include/linux/mlx5/mlx5_ifc.h

index 651591a2965d218b71a82f3daa975a2956d9b3d0..a092346c7b2db0e38e4d069b2988ce45f07bef09 100644 (file)
@@ -5823,7 +5823,7 @@ struct mlx5_ifc_alloc_modify_header_context_in_bits {
        u8         reserved_at_68[0x10];
        u8         num_of_actions[0x8];
 
-       union mlx5_ifc_set_add_copy_action_in_auto_bits actions[0];
+       union mlx5_ifc_set_add_copy_action_in_auto_bits actions[];
 };
 
 struct mlx5_ifc_dealloc_modify_header_context_out_bits {
@@ -9761,7 +9761,7 @@ struct mlx5_ifc_mcda_reg_bits {
 
        u8         reserved_at_60[0x20];
 
-       u8         data[0][0x20];
+       u8         data[][0x20];
 };
 
 enum {