The return value from the call to sof_ipc4_get_valid_bits() is int. However, the return value is being assigned to an unsigned int variable 'out_ref_valid_bits', so making it an int. Eliminate the following warning: ./sound/soc/sof/ipc4-topology.c:1537:6-24: WARNING: Unsigned expression compared with zero: out_ref_valid_bits < 0 Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4985 Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx> --- sound/soc/sof/ipc4-topology.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index dce2f8f7f518..d82ac5701eb2 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -1381,8 +1381,8 @@ sof_ipc4_prepare_copier_module(struct snd_sof_widget *swidget, void **ipc_config_data; int *ipc_config_size; u32 **data; - int ipc_size, ret; - u32 out_ref_rate, out_ref_channels, out_ref_valid_bits; + int ipc_size, ret, out_ref_valid_bits; + u32 out_ref_rate, out_ref_channels; u32 deep_buffer_dma_ms = 0; int output_fmt_index; -- 2.20.1.7.g153144c
