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ALSA: usb-audio: silence a static checker warning

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We recently made "format" a u64 variable so now static checkers complain
that this shift will wrap around if format is more than 31.  I don't
think it makes a difference for runtime, but it's simple to silence the
warning.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Dan Carpenter 2018-03-29 12:03:19 +03:00 committed by Takashi Iwai
parent 623760257b
commit b44d419b98
1 changed files with 1 additions and 1 deletions
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2
sound/usb/format.c
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@ -55,7 +55,7 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip,
struct uac_format_type_i_discrete_descriptor *fmt = _fmt;
sample_width = fmt->bBitResolution;
sample_bytes = fmt->bSubframeSize;
format = 1 << format;
format = 1ULL << format;
break;
}