Messages in this thread Patch in this message | | | Date | Wed, 21 Sep 2022 23:30:47 -0500 | From | "Gustavo A. R. Silva" <> | Subject | [PATCH 3/3][next] scsi: smartpqi: Use struct_size() helper in pqi_report_phys_luns() |
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Prefer struct_size() over open-coded versions of idiom:
sizeof(struct-with-flex-array) + sizeof(typeof-flex-array-elements) * count
where count is the max number of items the flexible array is supposed to contain.
Link: https://github.com/KSPP/linux/issues/160 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- drivers/scsi/smartpqi/smartpqi_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 544cd18a90d7..17bdc8b3f161 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -1192,7 +1192,7 @@ static inline int pqi_report_phys_luns(struct pqi_ctrl_info *ctrl_info, void **b rpl_8byte_wwid_list = rpl_list; num_physicals = get_unaligned_be32(&rpl_8byte_wwid_list->header.list_length) / sizeof(rpl_8byte_wwid_list->lun_entries[0]); - rpl_16byte_wwid_list_length = sizeof(struct report_lun_header) + (num_physicals * sizeof(struct report_phys_lun_16byte_wwid)); + rpl_16byte_wwid_list_length = struct_size(rpl_16byte_wwid_list, lun_entries, num_physicals); rpl_16byte_wwid_list = kmalloc(rpl_16byte_wwid_list_length, GFP_KERNEL); if (!rpl_16byte_wwid_list) -- 2.34.1
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