| Message ID | 20210331140944.1421940-1-colin.king@canonical.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [next] soundwire: qcom: Fix a u8 comparison with less than zero | expand |
On Wed 31 Mar 09:09 CDT 2021, Colin King wrote: > From: Colin Ian King <colin.king@canonical.com> > > Variable devnum is being checked for a less than zero error return > however the comparison will always be false because devnum is an 8 bit > unsigned integer. Fix this by making devnum an int. Also there is no > need to iniitialize devnum with zero as this value is no read, so > remove the redundant assignment. > > Addresses-Coverity: ("Unsigned compared against 0") > Fixes: c7d49c76d1d5 ("soundwire: qcom: add support to new interrupts") > Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> > --- > drivers/soundwire/qcom.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c > index b08ecb9b418c..ec86c4e53fdb 100644 > --- a/drivers/soundwire/qcom.c > +++ b/drivers/soundwire/qcom.c > @@ -428,7 +428,7 @@ static irqreturn_t qcom_swrm_irq_handler(int irq, void *dev_id) > struct qcom_swrm_ctrl *swrm = dev_id; > u32 value, intr_sts, intr_sts_masked, slave_status; > u32 i; > - u8 devnum = 0; > + int devnum; > int ret = IRQ_HANDLED; > > swrm->reg_read(swrm, SWRM_INTERRUPT_STATUS, &intr_sts); > -- > 2.30.2 >
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index b08ecb9b418c..ec86c4e53fdb 100644 --- a/drivers/soundwire/qcom.c +++ b/drivers/soundwire/qcom.c @@ -428,7 +428,7 @@ static irqreturn_t qcom_swrm_irq_handler(int irq, void *dev_id) struct qcom_swrm_ctrl *swrm = dev_id; u32 value, intr_sts, intr_sts_masked, slave_status; u32 i; - u8 devnum = 0; + int devnum; int ret = IRQ_HANDLED; swrm->reg_read(swrm, SWRM_INTERRUPT_STATUS, &intr_sts);