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

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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>
This commit is contained in:
Priyanka Singh 2020-11-02 11:38:41 +05:30 committed by Priyanka Jain
parent 848a2efd14
commit 03d095e87d
1 changed files with 6 additions and 4 deletions
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10
arch/arm/cpu/armv8/fsl-layerscape/fdt.c
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@ -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");