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Subject[PATCH 39/40] scsi: mvsas: mv_init: Move 'core_nr' inside #ifdef and remove unused variable 'res_flag'
Date
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@huawei.com>
Cc: Marvell <kewei@marvell.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
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
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