[PATCH 4/4] mfd: rtsx: Prevent 'used uninitialised' warnings

From: Lee Jones
Date: Thu Nov 14 2013 - 04:29:52 EST


drivers/mfd/rtl8411.c: In function ârtl8411_fetch_vendor_settingsâ:
drivers/mfd/rtl8411.c:58:7: warning: âreg1â is used uninitialized in this function [-Wuninitialized]
drivers/mfd/rtl8411.c: In function ârtl8411b_fetch_vendor_settingsâ:
drivers/mfd/rtl8411.c:79:7: warning: âregâ is used uninitialized in this function [-Wuninitialized]
drivers/mfd/rtl8411.c: In function ârtl8411_fetch_vendor_settingsâ:
drivers/mfd/rtl8411.c:69:26: warning: âreg3â may be used uninitialized in this function [-Wuninitialized]

Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
drivers/mfd/rtl8411.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mfd/rtl8411.c b/drivers/mfd/rtl8411.c
index 0771796..cb8416c 100644
--- a/drivers/mfd/rtl8411.c
+++ b/drivers/mfd/rtl8411.c
@@ -49,8 +49,8 @@ static int rtl8411b_is_qfn48(struct rtsx_pcr *pcr)

static void rtl8411_fetch_vendor_settings(struct rtsx_pcr *pcr)
{
- u32 reg1;
- u8 reg3;
+ u32 reg1 = 0;
+ u8 reg3 = 0;

rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg1);
dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg1);
@@ -71,7 +71,7 @@ static void rtl8411_fetch_vendor_settings(struct rtsx_pcr *pcr)

static void rtl8411b_fetch_vendor_settings(struct rtsx_pcr *pcr)
{
- u32 reg;
+ u32 reg = 0;

rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
--
1.8.1.2

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