[PATCH] firmware: xilinx: check return value of zynqmp_pm_get_api_version()

[Rajan Vaja]

Currently return value of zynqmp_pm_get_api_version() is ignored.
Because of that, API version is checked in case of error also.
So add check for return value of zynqmp_pm_get_api_version().

Signed-off-by: Rajan Vaja <rajan.vaja at xilinx.com>
---
 drivers/firmware/xilinx/zynqmp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index a3cadba..070197e 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -1371,7 +1371,10 @@ static int zynqmp_firmware_probe(struct platform_device *pdev)
 		return ret;
 
 	/* Check PM API version number */
-	zynqmp_pm_get_api_version(&pm_api_version);
+	ret = zynqmp_pm_get_api_version(&pm_api_version);
+	if (ret)
+		return ret;
+
 	if (pm_api_version < ZYNQMP_PM_VERSION) {
 		panic("%s Platform Management API version error. Expected: v%d.%d - Found: v%d.%d\n",
 		      __func__,
-- 
2.7.4