diff options
Diffstat (limited to 'drivers/firmware/efi/libstub/efi-stub.c')
-rw-r--r-- | drivers/firmware/efi/libstub/efi-stub.c | 49 |
1 files changed, 20 insertions, 29 deletions
diff --git a/drivers/firmware/efi/libstub/efi-stub.c b/drivers/firmware/efi/libstub/efi-stub.c index 382b54f40603..874f63b4a383 100644 --- a/drivers/firmware/efi/libstub/efi-stub.c +++ b/drivers/firmware/efi/libstub/efi-stub.c @@ -10,6 +10,7 @@ */ #include <linux/efi.h> +#include <linux/screen_info.h> #include <asm/efi.h> #include "efistub.h" @@ -53,25 +54,16 @@ void __weak free_screen_info(struct screen_info *si) static struct screen_info *setup_graphics(void) { - efi_guid_t gop_proto = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID; - efi_status_t status; - unsigned long size; - void **gop_handle = NULL; - struct screen_info *si = NULL; + struct screen_info *si, tmp = {}; - size = 0; - status = efi_bs_call(locate_handle, EFI_LOCATE_BY_PROTOCOL, - &gop_proto, NULL, &size, gop_handle); - if (status == EFI_BUFFER_TOO_SMALL) { - si = alloc_screen_info(); - if (!si) - return NULL; - status = efi_setup_gop(si, &gop_proto, size); - if (status != EFI_SUCCESS) { - free_screen_info(si); - return NULL; - } - } + if (efi_setup_gop(&tmp) != EFI_SUCCESS) + return NULL; + + si = alloc_screen_info(); + if (!si) + return NULL; + + *si = tmp; return si; } @@ -112,8 +104,8 @@ static u32 get_supported_rt_services(void) efi_status_t efi_handle_cmdline(efi_loaded_image_t *image, char **cmdline_ptr) { + char *cmdline __free(efi_pool) = NULL; efi_status_t status; - char *cmdline; /* * Get the command line from EFI, using the LOADED_IMAGE @@ -128,25 +120,24 @@ efi_status_t efi_handle_cmdline(efi_loaded_image_t *image, char **cmdline_ptr) if (!IS_ENABLED(CONFIG_CMDLINE_FORCE)) { status = efi_parse_options(cmdline); - if (status != EFI_SUCCESS) - goto fail_free_cmdline; + if (status != EFI_SUCCESS) { + efi_err("Failed to parse EFI load options\n"); + return status; + } } if (IS_ENABLED(CONFIG_CMDLINE_EXTEND) || IS_ENABLED(CONFIG_CMDLINE_FORCE) || cmdline[0] == 0) { status = efi_parse_options(CONFIG_CMDLINE); - if (status != EFI_SUCCESS) - goto fail_free_cmdline; + if (status != EFI_SUCCESS) { + efi_err("Failed to parse built-in command line\n"); + return status; + } } - *cmdline_ptr = cmdline; + *cmdline_ptr = no_free_ptr(cmdline); return EFI_SUCCESS; - -fail_free_cmdline: - efi_err("Failed to parse options\n"); - efi_bs_call(free_pool, cmdline); - return status; } efi_status_t efi_stub_common(efi_handle_t handle, |