1 files changed, 1 insertions, 1 deletions

diff --git a/sound/pci/bt87x.c b/sound/pci/bt87x.c
index 188c7cf21b82..131952f55857 100644
--- a/sound/pci/bt87x.c
+++ b/sound/pci/bt87x.c
@@ -157,7 +157,7 @@ struct snd_bt87x {
         int dig_rate;
 
         spinlock_t reg_lock;
-        long opened;
+        unsigned long opened;
         struct snd_pcm_substream *substream;
 
         struct snd_dma_buffer dma_risc;