On Mon, Nov 30, 2020 at 02:41:56PM +0800, qiuguorui1 wrote:
> In function dtb_set_property, when malloc new_node fails,
> we need to free new_dtb before return.
>
> Fixes: f56cbcf4c2766 ("kexec/dt-ops.c: Fix '/chosen' v/s 'chosen' node
> being passed to fdt helper functions")
> Signed-off-by: qiuguorui1 <qiuguorui1@xxxxxxxxxx>
> ---
> kexec/dt-ops.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kexec/dt-ops.c b/kexec/dt-ops.c
> index dd2feaa..cc5feae 100644
> --- a/kexec/dt-ops.c
> +++ b/kexec/dt-ops.c
> @@ -89,6 +89,7 @@ int dtb_set_property(char **dtb, off_t *dtb_size, const char *node,
> new_node = malloc(strlen("/") + strlen(node) + 1);
> if (!new_node) {
> dbgprintf("%s: malloc failed\n", __func__);
> + free(new_dtb);
Can we use the goto idiom here,
as is used elsewhere in this function?
> return -ENOMEM;
> }
>
> --
> 2.12.3
>
>
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