* (C) Copyright 2017 Rob Clark
*/
-#define LOG_CATEGORY LOGL_ERR
-
#include <common.h>
#include <blk.h>
#include <dm.h>
{
struct efi_device_path *ret;
+ if (length < sizeof(struct efi_device_path))
+ return NULL;
+
ret = dp_alloc(length);
if (!ret)
return ret;
*
* @full_path: device path including device and file path
* @device_path: path of the device
- * @file_path: relative path of the file
+ * @file_path: relative path of the file or NULL if there is none
* Return: status code
*/
efi_status_t efi_dp_split_file_path(struct efi_device_path *full_path,
struct efi_device_path **device_path,
struct efi_device_path **file_path)
{
- struct efi_device_path *p, *dp, *fp;
+ struct efi_device_path *p, *dp, *fp = NULL;
*device_path = NULL;
*file_path = NULL;
while (!EFI_DP_TYPE(p, MEDIA_DEVICE, FILE_PATH)) {
p = efi_dp_next(p);
if (!p)
- return EFI_INVALID_PARAMETER;
+ goto out;
}
fp = efi_dp_dup(p);
if (!fp)
p->sub_type = DEVICE_PATH_SUB_TYPE_END;
p->length = sizeof(*p);
+out:
*device_path = dp;
*file_path = fp;
return EFI_SUCCESS;
if (!is_net) {
part = blk_get_device_part_str(dev, devnr, &desc, &fs_partition,
1);
- if (part < 0)
+ if (part < 0 || !desc)
return EFI_INVALID_PARAMETER;
if (device)
if (!path)
return EFI_SUCCESS;
- if (!is_net) {
- /* Add leading / to fs paths, because they're absolute */
- snprintf(filename, sizeof(filename), "/%s", path);
- } else {
- snprintf(filename, sizeof(filename), "%s", path);
- }
+ snprintf(filename, sizeof(filename), "%s", path);
/* DOS style file path: */
s = filename;
while ((s = strchr(s, '/')))