On Thu, Aug 17, 2023 at 04:07:51PM +0530, coolrrsh@xxxxxxxxx wrote: > > From: Rajeshwar R Shinde <coolrrsh@xxxxxxxxx> > > In the function sli_xmit_bls_rsp64_wqe, the 'if' and 'else' conditions > evaluates the same expression and gives same output. Also the variable > bls->local_n_port_id_dword is not used anywhere. Therefore removing the > redundant code. > > This fixes coccinelle warning such as: > drivers/scsi/elx/libefc_sli/sli4.c:2320:2-4: WARNING: possible > condition with no effect (if == else) > > Signed-off-by: Rajeshwar R Shinde <coolrrsh@xxxxxxxxx> > --- > v1->v2 > Modified patch and verified with checkpatch.pl. > > --- > drivers/scsi/elx/libefc_sli/sli4.c | 7 ------- > 1 file changed, 7 deletions(-) > > diff --git a/drivers/scsi/elx/libefc_sli/sli4.c b/drivers/scsi/elx/libefc_sli/sli4.c > index 8f96049f62dd..af661b769464 100644 > --- a/drivers/scsi/elx/libefc_sli/sli4.c > +++ b/drivers/scsi/elx/libefc_sli/sli4.c > @@ -2317,13 +2317,6 @@ sli_xmit_bls_rsp64_wqe(struct sli4 *sli, void *buf, > SLI4_GENERIC_CONTEXT_VPI << SLI4_BLS_RSP_WQE_CT_SHFT; > bls->context_tag = cpu_to_le16(params->vpi); > > - if (params->s_id != U32_MAX) > - bls->local_n_port_id_dword |= > - cpu_to_le32(params->s_id & 0x00ffffff); > - else > - bls->local_n_port_id_dword |= > - cpu_to_le32(params->s_id & 0x00ffffff); > - omg, it is not an unused variable. Whole bls is a HW descriptor, all of its variables are used by HW. You should keep v1 version of the patch. According to the comment at the beginning of the funciton s_id here shall be != U32_MAX. That is an explanation for your v1 patch. > dw_ridflags = (dw_ridflags & ~SLI4_BLS_RSP_RID) | > (params->d_id & SLI4_BLS_RSP_RID); > > -- > 2.25.1 >
