If the path passed to efi_dp_split_file_path() does not contain a reference to a file it returns EFI_OUT_OF_RESOURCES. This does not properly indicate the kind of the problem that occurred. Return EFI_INVALID_PARAMETER instead.
Update function description.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- lib/efi_loader/efi_device_path.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/lib/efi_loader/efi_device_path.c b/lib/efi_loader/efi_device_path.c index d94982314a..98c36e798f 100644 --- a/lib/efi_loader/efi_device_path.c +++ b/lib/efi_loader/efi_device_path.c @@ -910,9 +910,17 @@ struct efi_device_path *efi_dp_from_mem(uint32_t memory_type, return start; }
-/* - * Helper to split a full device path (containing both device and file - * parts) into it's constituent parts. +/** + * efi_dp_split_file_path() - split of relative file path from device path + * + * Given a device path indicating a file on a device, separate the device + * path in two: the device path of the actual device and the file path + * relative to this device. + * + * @full_path: device path including device and file path + * @device_path: path of the device + * @file_path: relative path of the file + * Return: status code */ efi_status_t efi_dp_split_file_path(struct efi_device_path *full_path, struct efi_device_path **device_path, @@ -929,7 +937,7 @@ efi_status_t efi_dp_split_file_path(struct efi_device_path *full_path, while (!EFI_DP_TYPE(p, MEDIA_DEVICE, FILE_PATH)) { p = efi_dp_next(p); if (!p) - return EFI_OUT_OF_RESOURCES; + return EFI_INVALID_PARAMETER; } fp = efi_dp_dup(p); if (!fp)