media: saa7134: avoid a shift overflow
[ Upstream commit 15a36aae1e
]
As reported by smatch:
drivers/media/pci/saa7134//saa7134-tvaudio.c:686 saa_dsp_writel() warn: should 'reg << 2' be a 64 bit type?
On a 64-bits Kernel, the shift might be bigger than 32 bits.
In real, this should never happen, but let's shut up the warning.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -683,7 +683,8 @@ int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value)
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{
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int err;
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audio_dbg(2, "dsp write reg 0x%x = 0x%06x\n", reg << 2, value);
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audio_dbg(2, "dsp write reg 0x%x = 0x%06x\n",
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(reg << 2) & 0xffffffff, value);
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err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR);
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if (err < 0)
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return err;
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