Message ID | 1441075647-11274-1-git-send-email-b18965@freescale.com |
---|---|
State | Accepted |
Delegated to: | York Sun |
Headers | show
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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" <u-boot-bounces@lists.denx.de> |
On 08/31/2015 07:47 PM, Alison Wang wrote: > Pointer 'reg' returned from call to function 'fdt_getprop' may be > NULL, will be passed to function and may be dereferenced there by > passing argument 1 to function 'of_read_number'. So check pointer > 'reg' first. > > Signed-off-by: Alison Wang <alison.wang@freescale.com> > --- Applied to u-boot-fsl-qoriq. Awaiting upstream. Thanks. York
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/fdt.c b/arch/arm/cpu/armv8/fsl-lsch3/fdt.c index 567c419..922e8a0 100644 --- a/arch/arm/cpu/armv8/fsl-lsch3/fdt.c +++ b/arch/arm/cpu/armv8/fsl-lsch3/fdt.c @@ -33,8 +33,8 @@ void ft_fixup_cpu(void *blob) off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4); while (off != -FDT_ERR_NOTFOUND) { reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0); - core_id = of_read_number(reg, addr_cells); if (reg) { + core_id = of_read_number(reg, addr_cells); if (core_id == 0 || (is_core_online(core_id))) { val = spin_tbl_addr; val += id_to_core(core_id) *
Pointer 'reg' returned from call to function 'fdt_getprop' may be NULL, will be passed to function and may be dereferenced there by passing argument 1 to function 'of_read_number'. So check pointer 'reg' first. Signed-off-by: Alison Wang <alison.wang@freescale.com> --- arch/arm/cpu/armv8/fsl-lsch3/fdt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)