tx_substeam is accessed using the RCU API and hence should have the __rcu annotation. Fixes the following sparse warnings:
sound/soc/xtensa/xtfpga-i2s.c:165:24: error: incompatible types in comparison expression (different address spaces) sound/soc/xtensa/xtfpga-i2s.c:165:24: error: 'struct snd_pcm_substream [noderef] asn:4*' versus sound/soc/xtensa/xtfpga-i2s.c:165:24: error: 'struct snd_pcm_substream *' sound/soc/xtensa/xtfpga-i2s.c:255:24: error: incompatible types in comparison expression (different address spaces) sound/soc/xtensa/xtfpga-i2s.c:255:24: error: 'struct snd_pcm_substream [noderef] asn:4*' versus sound/soc/xtensa/xtfpga-i2s.c:255:24: error: 'struct snd_pcm_substream *'
Signed-off-by: Lars-Peter Clausen lars@metafoo.de --- sound/soc/xtensa/xtfpga-i2s.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/xtensa/xtfpga-i2s.c b/sound/soc/xtensa/xtfpga-i2s.c index 039f65e..8382ffa 100644 --- a/sound/soc/xtensa/xtfpga-i2s.c +++ b/sound/soc/xtensa/xtfpga-i2s.c @@ -75,7 +75,7 @@ struct xtfpga_i2s { * stream in the pcm_close callback it synchronizes with the interrupt * handler by means of synchronize_rcu call. */ - struct snd_pcm_substream *tx_substream; + struct snd_pcm_substream __rcu *tx_substream; unsigned (*tx_fn)(struct xtfpga_i2s *i2s, struct snd_pcm_runtime *runtime, unsigned tx_ptr);