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@xxxxxx>
---
drivers/staging/nvec/nvec.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
index 3e090ec..fd84f8f 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);
--
1.7.9.5
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