When build without CONFIG_PIC, got the following warnings:
drivers/char/mxser.c: In function 'mxser_init':
drivers/char/mxser.c:698: warning: unused variable 'devnum'
drivers/char/mxser.c:698: warning: unused variable 'busnum'
drivers/char/mxser.c:697: warning: unused variable 'index'
drivers/char/mxser.c:696: warning: unused variable 'pdev'
drivers/char/mxser.c:695: warning: unused variable 'n'
Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
---
drivers/char/mxser.c | 14 ++++++--------
1 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index fd0abef..b2cc93d 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -692,10 +692,7 @@ static int mxser_get_PCI_conf(int busnum, int devnum, int board_type, struct mxs
static int mxser_init(void)
{
- int i, m, retval, b, n;
- struct pci_dev *pdev = NULL;
- int index;
- unsigned char busnum, devnum;
+ int i, m, retval, b;
struct mxser_hwconf hwconf;
mxvar_sdriver = alloc_tty_driver(MXSER_PORTS + 1);
@@ -834,10 +831,11 @@ static int mxser_init(void)
/* start finding PCI board here */
#ifdef CONFIG_PCI
- n = ARRAY_SIZE(mxser_pcibrds) - 1;
- index = 0;
b = 0;
- while (b < n) {
+ while (b < ARRAY_SIZE(mxser_pcibrds)-1) {
+ unsigned char busnum, devnum;
+ struct pci_dev *pdev;
+
pdev = pci_get_device(mxser_pcibrds[b].vendor,
mxser_pcibrds[b].device, pdev);
if (pdev == NULL) {