Only declare 'core_nr' if its conditions for use are met. Fixes the following W=1 kernel build warning(s): drivers/scsi/mvsas/mv_init.c: In function ‘mvs_interrupt’: drivers/scsi/mvsas/mv_init.c:180:6: warning: variable ‘core_nr’ set but not used [-Wunused-but-set-variable] drivers/scsi/mvsas/mv_init.c: In function ‘mvs_ioremap’: drivers/scsi/mvsas/mv_init.c:302:36: warning: variable ‘res_flag’ set but not used [-Wunused-but-set-variable] Cc: Jason Yan <yanaijie@xxxxxxxxxx> Cc: Marvell <kewei@xxxxxxxxxxx> Cc: Jeff Garzik <jgarzik@xxxxxxxxx> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> --- drivers/scsi/mvsas/mv_init.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index b0de3bdb01db0..3b450319cc11e 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -177,15 +177,17 @@ static void mvs_tasklet(unsigned long opaque) static irqreturn_t mvs_interrupt(int irq, void *opaque) { - u32 core_nr; u32 stat; struct mvs_info *mvi; struct sas_ha_struct *sha = opaque; #ifndef CONFIG_SCSI_MVSAS_TASKLET u32 i; -#endif +#else + u32 core_nr; core_nr = ((struct mvs_prv_info *)sha->lldd_ha)->n_host; +#endif + mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[0]; if (unlikely(!mvi)) @@ -299,7 +301,7 @@ static int mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost) int mvs_ioremap(struct mvs_info *mvi, int bar, int bar_ex) { - unsigned long res_start, res_len, res_flag, res_flag_ex = 0; + unsigned long res_start, res_len, res_flag_ex = 0; struct pci_dev *pdev = mvi->pdev; if (bar_ex != -1) { /* @@ -327,7 +329,6 @@ int mvs_ioremap(struct mvs_info *mvi, int bar, int bar_ex) goto err_out; } - res_flag = pci_resource_flags(pdev, bar); mvi->regs = ioremap(res_start, res_len); if (!mvi->regs) { -- 2.25.1