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
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| @@ -345,7 +345,7 @@ DESC_ID((id) - DESCS_COUNT(desc_ring)) · 344 unmodified lines | |||
| 345 | */ | 345 | */ |
| 346 | struct prb_data_block { | 346 | struct prb_data_block { |
| 347 | unsigned long id; | 347 | unsigned long id; |
| 348 | char data[0]; | 348 | char data[]; |
| 349 | }; | 349 | }; |
| 350 | 350 | ||
| 351 | /* | 351 | /* |