[PATCH v4 36/50] scsi: mvsas: Fix a set-but-not-used warning

Bart Van Assche
2022-02-16T21:04:54Z

This patch fixes the following compiler warning:

drivers/scsi/mvsas/mv_init.c: In function ‘mvs_pci_init’:
drivers/scsi/mvsas/mv_init.c:497:30: warning: variable ‘mpi’ set but not used [-Wunused-but-set-variable]
497 | struct mvs_prv_info *mpi;
| ^~~

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
drivers/scsi/mvsas/mv_init.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index 44df7c03aab8..35406abeb852 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -494,7 +494,6 @@ static int mvs_pci_init(struct pci_dev *pdev, const struct pci_device_id *ent)
{
unsigned int rc, nhost = 0;
struct mvs_info *mvi;
- struct mvs_prv_info *mpi;
irq_handler_t irq_handler = mvs_interrupt;
struct Scsi_Host *shost = NULL;
const struct mvs_chip_info *chip;
@@ -559,10 +558,13 @@ static int mvs_pci_init(struct pci_dev *pdev, const struct pci_device_id *ent)
}
nhost++;
} while (nhost < chip->n_host);
- mpi = (struct mvs_prv_info *)(SHOST_TO_SAS_HA(shost)->lldd_ha);
#ifdef CONFIG_SCSI_MVSAS_TASKLET
+ {
+ struct mvs_prv_info *mpi = SHOST_TO_SAS_HA(shost)->lldd_ha;
+
tasklet_init(&(mpi->mv_tasklet), mvs_tasklet,
(unsigned long)SHOST_TO_SAS_HA(shost));
+ }
#endif

mvs_post_sas_ha_init(shost, chip);