[PATCH 1/3] fpga: xilinx: Check valid desc structure

[Michal Simek]

FPGA validation can fail and return value needs to be checked.

Addresses-Coverity-ID: CID 583150: Null pointer dereferences  (NULL_RETURNS)
Signed-off-by: Michal Simek <michal.simek at amd.com>
---

 drivers/fpga/xilinx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/fpga/xilinx.c b/drivers/fpga/xilinx.c
index 28c68faba55f..25b348648eff 100644
--- a/drivers/fpga/xilinx.c
+++ b/drivers/fpga/xilinx.c
@@ -50,6 +50,9 @@ int fpga_loadbitstream(int devnum, char *fpgadata, size_t size,
 	dataptr = (unsigned char *)fpgadata;
 	/* Find out fpga_description */
 	desc = fpga_validate(devnum, dataptr, 0);
+	if (!desc)
+		return FPGA_FAIL;
+
 	/* Assign xilinx device description */
 	xdesc = desc->devdesc;
 
-- 
2.43.0