From: Mauro Carvalho Chehab <mchehab+hua...@kernel.org>

[ Upstream commit 15a36aae1ec1c1f17149b6113b92631791830740 ]

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+hua...@kernel.org>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/media/pci/saa7134/saa7134-tvaudio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/pci/saa7134/saa7134-tvaudio.c 
b/drivers/media/pci/saa7134/saa7134-tvaudio.c
index 79e1afb710758..5cc4ef21f9d37 100644
--- a/drivers/media/pci/saa7134/saa7134-tvaudio.c
+++ b/drivers/media/pci/saa7134/saa7134-tvaudio.c
@@ -683,7 +683,8 @@ int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 
value)
 {
        int err;
 
-       audio_dbg(2, "dsp write reg 0x%x = 0x%06x\n", reg << 2, value);
+       audio_dbg(2, "dsp write reg 0x%x = 0x%06x\n",
+                 (reg << 2) & 0xffffffff, value);
        err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR);
        if (err < 0)
                return err;
-- 
2.25.1

Reply via email to