bootmeth_efi: Check the filename-allocation in the network path

If the filename cannot be set we should give up. Add the missing error
check.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/boot/bootmeth_efi.c b/boot/bootmeth_efi.c
index f711b9d..a299845 100644 (file)
--- a/boot/bootmeth_efi.c
+++ b/boot/bootmeth_efi.c
@@ -252,6 +252,8 @@ static int distro_efi_read_bootflow_net(struct bootflow *bflow)
        if (!bootfile_name)
                return log_msg_ret("bootfile_name", ret);
        bflow->fname = strdup(bootfile_name);
+       if (!bflow->fname)
+               return log_msg_ret("fi0", -ENOMEM);
 
        /* do the hideous EFI hack */
        efi_set_bootdev("Net", "", bflow->fname, map_sysmem(addr, 0),