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dmaengine: ti-cppi5: Replace zero-length array with flexible-array member

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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-rc1/process/deprecated.html#zero-length-and-one-element-arrays

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
This commit is contained in:
Gustavo A. R. Silva 2020-08-31 10:18:04 -05:00
parent 3650b228f8
commit a4147d855f
1 changed files with 2 additions and 2 deletions
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4
include/linux/dma/ti-cppi5.h
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@ -47,7 +47,7 @@ struct cppi5_host_desc_t {
u32 buf_info1;
u32 org_buf_len;
u64 org_buf_ptr;
u32 epib[0];
u32 epib[];
} __packed;
#define CPPI5_DESC_MIN_ALIGN (16U)
@ -139,7 +139,7 @@ struct cppi5_desc_epib_t {
*/
struct cppi5_monolithic_desc_t {
struct cppi5_desc_hdr_t hdr;
u32 epib[0];
u32 epib[];
};
#define CPPI5_INFO2_MDESC_DATA_OFFSET_SHIFT (18U)