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RDMA/srp: Add more structure size checks

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Before modifying how the __packed attribute is used, add compile time
size checks for the structures that will be modified.

Link: https://lore.kernel.org/r/20210524041211.9480-3-bvanassche@acm.org
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Cc: Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Bart Van Assche 2021-05-23 21:12:08 -07:00 committed by Jason Gunthorpe
parent 17bb6b6bb5
commit c838de1af1
1 changed files with 4 additions and 1 deletions
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5
drivers/infiniband/ulp/srp/ib_srp.c
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@ -4078,10 +4078,13 @@ static int __init srp_init_module(void)
{
int ret;
BUILD_BUG_ON(sizeof(struct srp_aer_req) != 36);
BUILD_BUG_ON(sizeof(struct srp_cmd) != 48);
BUILD_BUG_ON(sizeof(struct srp_imm_buf) != 4);
BUILD_BUG_ON(sizeof(struct srp_indirect_buf) != 20);
BUILD_BUG_ON(sizeof(struct srp_login_req) != 64);
BUILD_BUG_ON(sizeof(struct srp_login_req_rdma) != 56);
BUILD_BUG_ON(sizeof(struct srp_cmd) != 48);
BUILD_BUG_ON(sizeof(struct srp_rsp) != 36);
if (srp_sg_tablesize) {
pr_warn("srp_sg_tablesize is deprecated, please use cmd_sg_entries\n");