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-rw-r--r--sound/usb/usbmidi.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c
index 7580339dba22..2b9d940c8064 100644
--- a/sound/usb/usbmidi.c
+++ b/sound/usb/usbmidi.c
@@ -871,10 +871,10 @@ static int snd_usbmidi_in_endpoint_create(struct snd_usb_midi* umidi,
static unsigned int snd_usbmidi_count_bits(unsigned int x)
{
- unsigned int bits = 0;
+ unsigned int bits;
- for (; x; x >>= 1)
- bits += x & 1;
+ for (bits = 0; x; ++bits)
+ x &= x - 1;
return bits;
}