4.9-stable review patch. If anyone has any objections, please let me know.
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From: Max Gurtovoy maxg@mellanox.com
commit 0e12af84cdd3056460f928adc164f9e87f4b303b upstream.
A copy/paste bug (probably) caused setting of an app_tag check mask in case where a ref_tag check was needed.
Fixes: 38a2d0d429f1 ("IB/isert: convert to the generic RDMA READ/WRITE API") Fixes: 9e961ae73c2c ("IB/isert: Support T10-PI protected transactions") Cc: stable@vger.kernel.org Reviewed-by: Christoph Hellwig hch@lst.de Reviewed-by: Sagi Grimberg sagi@grimberg.me Reviewed-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Max Gurtovoy maxg@mellanox.com Signed-off-by: Jason Gunthorpe jgg@mellanox.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/infiniband/ulp/isert/ib_isert.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -2090,7 +2090,7 @@ isert_set_sig_attrs(struct se_cmd *se_cm
sig_attrs->check_mask = (se_cmd->prot_checks & TARGET_DIF_CHECK_GUARD ? 0xc0 : 0) | - (se_cmd->prot_checks & TARGET_DIF_CHECK_REFTAG ? 0x30 : 0) | + (se_cmd->prot_checks & TARGET_DIF_CHECK_APPTAG ? 0x30 : 0) | (se_cmd->prot_checks & TARGET_DIF_CHECK_REFTAG ? 0x0f : 0); return 0; }