2021-12-23 06:58:26

by Bo Jiao

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Subject: [PATCH] mt76: mt7915: fix warning: variable 'base' is used uninitialized

From: Bo Jiao <[email protected]>

fix warning: variable 'base' is used uninitialized

Fixes: 22c2fb9495d3 ("mt76: mt7915: rework dma.c to adapt mt7916 changes")
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Bo Jiao <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7915/dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
index 4106d73..2dc2d6b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
@@ -83,7 +83,7 @@ static void mt7915_dma_config(struct mt7915_dev *dev)
static void __mt7915_dma_prefetch(struct mt7915_dev *dev, u32 ofs)
{
#define PREFETCH(_base, _depth) ((_base) << 16 | (_depth))
- u32 base;
+ u32 base = 0;

/* prefetch SRAM wrapping boundary for tx/rx ring. */
mt76_wr(dev, MT_MCUQ_EXT_CTRL(MT_MCUQ_FWDL) + ofs, PREFETCH(0x0, 0x4));
--
2.18.0