diff options
| author | Marc Dietrich <marvin24@gmx.de> | 2012-08-19 19:03:07 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-04 13:18:14 -0700 |
| commit | 4b8bf03d7f775271c2016e76011b113bc5f83c14 (patch) | |
| tree | aa96df5073ece18b4f3f16cd29e590b02726c226 /drivers/staging/nvec | |
| parent | 4344379f63d3bf16d4f2cb3d6b3f3be12704173f (diff) | |
| download | blackbird-op-linux-4b8bf03d7f775271c2016e76011b113bc5f83c14.tar.gz blackbird-op-linux-4b8bf03d7f775271c2016e76011b113bc5f83c14.zip | |
staging: nvec: release sync write lock in error case
We forgot to release the sync write lock in case the async write
fails. Found by rpiloose on IRC.
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/nvec')
| -rw-r--r-- | drivers/staging/nvec/nvec.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c index 3e090ecc2eac..fd84f8fd9533 100644 --- a/drivers/staging/nvec/nvec.c +++ b/drivers/staging/nvec/nvec.c @@ -294,8 +294,10 @@ struct nvec_msg *nvec_write_sync(struct nvec_chip *nvec, nvec->sync_write_pending = (data[1] << 8) + data[0]; - if (nvec_write_async(nvec, data, size) < 0) + if (nvec_write_async(nvec, data, size) < 0) { + mutex_unlock(&nvec->sync_write_mutex); return NULL; + } dev_dbg(nvec->dev, "nvec_sync_write: 0x%04x\n", nvec->sync_write_pending); |
