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authorBart Van Assche <bvanassche@acm.org>2021-03-20 16:23:56 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2021-03-24 21:47:20 -0400
commit17603237f789cfb135fd8e01a7edca27a46a6f6e (patch)
treee79cf3d84ad6c274be62013ba0fb02b12a80d472 /drivers/scsi/qla2xxx
parent37ce4f3531d4a38f3f598fab45d80be5b46aee3c (diff)
scsi: qla2xxx: Suppress Coverity complaints about dseg_r*
Change dseq_rq and dseg_rsp from scalar structure members into single-element arrays such that Coverity does not complain about the (*cur_dsd)++ statement in append_dsd64(). Link: https://lore.kernel.org/r/20210320232359.941-5-bvanassche@acm.org Cc: Quinn Tran <qutran@marvell.com> Cc: Mike Christie <michael.christie@oracle.com> Reviewed-by: Daniel Wagner <dwagner@suse.de> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_mr.c12
-rw-r--r--drivers/scsi/qla2xxx/qla_mr.h8
2 files changed, 12 insertions, 8 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c
index d488ae95e149..6e920da64863 100644
--- a/drivers/scsi/qla2xxx/qla_mr.c
+++ b/drivers/scsi/qla2xxx/qla_mr.c
@@ -3266,8 +3266,8 @@ qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
fx_iocb.req_xfrcnt =
cpu_to_le16(fxio->u.fxiocb.req_len);
put_unaligned_le64(fxio->u.fxiocb.req_dma_handle,
- &fx_iocb.dseg_rq.address);
- fx_iocb.dseg_rq.length =
+ &fx_iocb.dseg_rq[0].address);
+ fx_iocb.dseg_rq[0].length =
cpu_to_le32(fxio->u.fxiocb.req_len);
}
@@ -3276,8 +3276,8 @@ qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
fx_iocb.rsp_xfrcnt =
cpu_to_le16(fxio->u.fxiocb.rsp_len);
put_unaligned_le64(fxio->u.fxiocb.rsp_dma_handle,
- &fx_iocb.dseg_rsp.address);
- fx_iocb.dseg_rsp.length =
+ &fx_iocb.dseg_rsp[0].address);
+ fx_iocb.dseg_rsp[0].length =
cpu_to_le32(fxio->u.fxiocb.rsp_len);
}
@@ -3314,7 +3314,7 @@ qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
cpu_to_le16(bsg_job->request_payload.sg_cnt);
tot_dsds =
bsg_job->request_payload.sg_cnt;
- cur_dsd = &fx_iocb.dseg_rq;
+ cur_dsd = &fx_iocb.dseg_rq[0];
avail_dsds = 1;
for_each_sg(bsg_job->request_payload.sg_list, sg,
tot_dsds, index) {
@@ -3369,7 +3369,7 @@ qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
fx_iocb.rsp_dsdcnt =
cpu_to_le16(bsg_job->reply_payload.sg_cnt);
tot_dsds = bsg_job->reply_payload.sg_cnt;
- cur_dsd = &fx_iocb.dseg_rsp;
+ cur_dsd = &fx_iocb.dseg_rsp[0];
avail_dsds = 1;
for_each_sg(bsg_job->reply_payload.sg_list, sg,
diff --git a/drivers/scsi/qla2xxx/qla_mr.h b/drivers/scsi/qla2xxx/qla_mr.h
index 73be8348402a..4f63aff333db 100644
--- a/drivers/scsi/qla2xxx/qla_mr.h
+++ b/drivers/scsi/qla2xxx/qla_mr.h
@@ -176,8 +176,12 @@ struct fxdisc_entry_fx00 {
uint8_t flags;
uint8_t reserved_1;
- struct dsd64 dseg_rq;
- struct dsd64 dseg_rsp;
+ /*
+ * Use array size 1 below to prevent that Coverity complains about
+ * the append_dsd64() calls for the two arrays below.
+ */
+ struct dsd64 dseg_rq[1];
+ struct dsd64 dseg_rsp[1];
__le32 dataword;
__le32 adapid;