| Message ID | 20230816085007.10591-1-coolrrsh@gmail.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | scsi: sli4: Remove code duplication | expand |
Hi-- On 8/16/23 01:50, coolrrsh@gmail.com wrote: > From: Rajeshwar R Shinde <coolrrsh@gmail.com> > > In the function sli_xmit_bls_rsp64_wqe, the 'if' and 'else' conditions > evaluates the same expression and gives same output. So removing the redundant > code duplication to optimise the code. > > This fixes warning such as: > drivers/scsi/elx/libefc_sli/sli4.c:2320:2-4: WARNING: possible condition with no effect (if == else) What tool produces this message? > Signed-off-by: Rajeshwar R Shinde <coolrrsh@gmail.com> > --- > drivers/scsi/elx/libefc_sli/sli4.c | 8 ++------ > 1 file changed, 2 insertions(+), 6 deletions(-) > > diff --git a/drivers/scsi/elx/libefc_sli/sli4.c b/drivers/scsi/elx/libefc_sli/sli4.c > index 8f96049f62dd..5e7fb110bc3f 100644 > --- a/drivers/scsi/elx/libefc_sli/sli4.c > +++ b/drivers/scsi/elx/libefc_sli/sli4.c > @@ -2317,12 +2317,8 @@ 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); > + bls->local_n_port_id_dword |= > + cpu_to_le32(params->s_id & 0x00ffffff); That could be correct. Or there could be a bug there. Who knows? I don't. But maybe it doesn't matter since AFAICT that field isn't used anywhere after it is set. > > dw_ridflags = (dw_ridflags & ~SLI4_BLS_RSP_RID) | > (params->d_id & SLI4_BLS_RSP_RID);
diff --git a/drivers/scsi/elx/libefc_sli/sli4.c b/drivers/scsi/elx/libefc_sli/sli4.c index 8f96049f62dd..5e7fb110bc3f 100644 --- a/drivers/scsi/elx/libefc_sli/sli4.c +++ b/drivers/scsi/elx/libefc_sli/sli4.c @@ -2317,12 +2317,8 @@ 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); + bls->local_n_port_id_dword |= + cpu_to_le32(params->s_id & 0x00ffffff); dw_ridflags = (dw_ridflags & ~SLI4_BLS_RSP_RID) | (params->d_id & SLI4_BLS_RSP_RID);