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audio: intel-hda: check stream entry count during transfer 

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Merge remote-tracking branch 'remotes/kraxel/tags/pull-audio-20161027-1' into staging

audio: intel-hda: check stream entry count during transfer

# gpg: Signature made Thu 27 Oct 2016 15:30:51 BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/pull-audio-20161027-1:
  audio: intel-hda: check stream entry count during transfer

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2016-10-27 17:24:29 +01:00
parent 5929d7e8a0 0c0fc2b5fd
commit 835f3d24b4
1 changed files with 2 additions and 1 deletions
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3
hw/audio/intel-hda.c
View File

@ -416,7 +416,8 @@ static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
}
left = len;
while (left > 0) {
s = st->bentries;
while (left > 0 && s-- > 0) {
copy = left;
if (copy > st->bsize - st->lpib)
copy = st->bsize - st->lpib;