| Message ID | 20250428-qcom-iris-hevc-vp9-v2-14-3a6013ecb8a5@quicinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add support for HEVC and VP9 codecs in decoder | expand |
On 4/28/2025 2:59 PM, Dikshita Agarwal wrote: > A warning reported by smatch indicated a possible null pointer > dereference where one of the arguments to API > "iris_hfi_gen2_handle_system_error" could sometimes be null. > > To fix this, add a check to validate that the argument passed is not > null before accessing its members. > > Cc: stable@vger.kernel.org > Fixes: fb583a214337 ("media: iris: introduce host firmware interface with necessary hooks") > Reported-by: Dan Carpenter <dan.carpenter@linaro.org> > Closes: https://lore.kernel.org/linux-media/634cc9b8-f099-4b54-8556-d879fb2b5169@stanley.mountain/ > Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> > --- > drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c > index 1ed798d31a3f..cba71b5db943 100644 > --- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c > +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c > @@ -267,7 +267,8 @@ static int iris_hfi_gen2_handle_system_error(struct iris_core *core, > { > struct iris_inst *instance; > > - dev_err(core->dev, "received system error of type %#x\n", pkt->type); > + if (pkt) > + dev_err(core->dev, "received system error of type %#x\n", pkt->type); > > core->state = IRIS_CORE_ERROR; > > Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c index 1ed798d31a3f..cba71b5db943 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c @@ -267,7 +267,8 @@ static int iris_hfi_gen2_handle_system_error(struct iris_core *core, { struct iris_inst *instance; - dev_err(core->dev, "received system error of type %#x\n", pkt->type); + if (pkt) + dev_err(core->dev, "received system error of type %#x\n", pkt->type); core->state = IRIS_CORE_ERROR;
A warning reported by smatch indicated a possible null pointer dereference where one of the arguments to API "iris_hfi_gen2_handle_system_error" could sometimes be null. To fix this, add a check to validate that the argument passed is not null before accessing its members. Cc: stable@vger.kernel.org Fixes: fb583a214337 ("media: iris: introduce host firmware interface with necessary hooks") Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/linux-media/634cc9b8-f099-4b54-8556-d879fb2b5169@stanley.mountain/ Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> --- drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)