Commit 4b8bf03d authored by Marc Dietrich's avatar Marc Dietrich Committed by Greg Kroah-Hartman
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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: default avatarMarc Dietrich <marvin24@gmx.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4344379f

drivers/staging/nvec/nvec.c

+3 −1
Original line number Diff line number Diff line
@@ -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);