[PATCH] acpica: fwts_acpica: missing unlock on error path

[Colin King]

From: Colin Ian King <colin.king at canonical.com>

Coverity CID #997292: Missing unlock

Forgot to unlock mutex_lock_sem_table if we cannot find
any free semaphores on error path.

Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
 src/acpica/fwts_acpica.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/acpica/fwts_acpica.c b/src/acpica/fwts_acpica.c
index 85ac735..73bfa73 100644
--- a/src/acpica/fwts_acpica.c
+++ b/src/acpica/fwts_acpica.c
@@ -509,8 +509,10 @@ ACPI_STATUS AcpiOsCreateSemaphore(UINT32 MaxUnits,
 		}
 	}
 
-	if (!sem)
+	if (!sem) {
+		pthread_mutex_unlock(&mutex_lock_sem_table);
 		return AE_NO_MEMORY;
+	}
 
 	sem->used = true;
 	sem->count = 0;
-- 
1.8.1.2