layerscape: fdt.c: Check for NULL return value from fdt_getprop()

Check for NULL return value from fdt_getprop() in
fdt_fixup_remove_jr()

Signed-off-by: Priyanka Singh <priyanka.singh@nxp.com>
[Fixed checkpatch errors/warnings]
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
index 6d3391d..3a04dce 100644 (file)
--- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
@@ -400,10 +400,12 @@ void fdt_fixup_remove_jr(void *blob)
 
        while (jr_node != -FDT_ERR_NOTFOUND) {
                reg = (fdt32_t *)fdt_getprop(blob, jr_node, "reg", &len);
-               jr_offset = fdt_read_number(reg, addr_cells);
-               if (jr_offset == used_jr) {
-                       fdt_del_node(blob, jr_node);
-                       break;
+               if (reg) {
+                       jr_offset = fdt_read_number(reg, addr_cells);
+                       if (jr_offset == used_jr) {
+                               fdt_del_node(blob, jr_node);
+                               break;
+                       }
                }
                jr_node = fdt_node_offset_by_compatible(blob, jr_node,
                                                        "fsl,sec-v4.0-job-ring");