Re: [PATCH] nvmet-fc: Remove __counted_by from nvmet_fc_tgt_queue.fod[]

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On 29. 05. 24, 23:42, Nathan Chancellor wrote:
   drivers/nvme/target/fc.c:151:2: error: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member.

The same as for mxser_port:

struct nvmet_fc_fcp_iod {
        struct nvmefc_tgt_fcp_req       *fcpreq;

        struct nvme_fc_cmd_iu           cmdiubuf;
        struct nvme_fc_ersp_iu          rspiubuf;
        dma_addr_t                      rspdma;
        struct scatterlist              *next_sg;
        struct scatterlist              *data_sg;
        int                             data_sg_cnt;
        u32                             offset;
        enum nvmet_fcp_datadir          io_dir;
        bool                            active;
        bool                            abort;
        bool                            aborted;
        bool                            writedataactive;
        spinlock_t                      flock;

        struct nvmet_req                req;
        struct work_struct              defer_work;

        struct nvmet_fc_tgtport         *tgtport;
        struct nvmet_fc_tgt_queue       *queue;

struct list_head fcp_list; /* tgtport->fcp_list */
};

The error appears to be invalid.

This will be an error in a future compiler version [-Werror,-Wbounds-safety-counted-by-elt-type-unknown-size]
     151 |         struct nvmet_fc_fcp_iod         fod[] __counted_by(sqsize);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 error generated.
--
--
js
suse labs





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