| Message ID | Zva0dBAZWpd1e4as@iZbp1asjb3cy8ks0srf007Z |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v2] i2c: amd-asf: Fix uninitialized variables issue in amd_asf_process_target | expand |
Hi, On 9/27/2024 19:04, Qianqiang Liu wrote: > The len variable is not initialized, which may cause the for loop to > behave unexpectedly. > > Fixes: 20c3cc299218 ("i2c: amd-asf: Add routine to handle the ASF slave process") > Signed-off-by: Qianqiang Liu <qianqiang.liu@163.com> Thank you for the fix. Acked-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Thanks, Shyam > --- > drivers/i2c/busses/i2c-amd-asf-plat.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/i2c/busses/i2c-amd-asf-plat.c b/drivers/i2c/busses/i2c-amd-asf-plat.c > index 47e0c90341aed..ba47df5370c72 100644 > --- a/drivers/i2c/busses/i2c-amd-asf-plat.c > +++ b/drivers/i2c/busses/i2c-amd-asf-plat.c > @@ -61,7 +61,7 @@ static void amd_asf_process_target(struct work_struct *work) > unsigned short piix4_smba = dev->port_addr->start; > u8 data[ASF_BLOCK_MAX_BYTES]; > u8 bank, reg, cmd; > - u8 len, idx, val; > + u8 len = 0, idx, val; > > /* Read target status register */ > reg = inb_p(ASFSLVSTA);
diff --git a/drivers/i2c/busses/i2c-amd-asf-plat.c b/drivers/i2c/busses/i2c-amd-asf-plat.c index 47e0c90341aed..ba47df5370c72 100644 --- a/drivers/i2c/busses/i2c-amd-asf-plat.c +++ b/drivers/i2c/busses/i2c-amd-asf-plat.c @@ -61,7 +61,7 @@ static void amd_asf_process_target(struct work_struct *work) unsigned short piix4_smba = dev->port_addr->start; u8 data[ASF_BLOCK_MAX_BYTES]; u8 bank, reg, cmd; - u8 len, idx, val; + u8 len = 0, idx, val; /* Read target status register */ reg = inb_p(ASFSLVSTA);
The len variable is not initialized, which may cause the for loop to behave unexpectedly. Fixes: 20c3cc299218 ("i2c: amd-asf: Add routine to handle the ASF slave process") Signed-off-by: Qianqiang Liu <qianqiang.liu@163.com> --- drivers/i2c/busses/i2c-amd-asf-plat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)