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efi_loader: QueryMode() must allocate buffer

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EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode() must allocate a buffer for the
mode information structure.

Adjust the unit test to free the buffer.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-06-15 14:07:40 +02:00
parent 1f7a8b3389
commit 97cf20861a
2 changed files with 10 additions and 1 deletions
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6
lib/efi_loader/efi_gop.c
View file

@ -51,8 +51,12 @@ static efi_status_t EFIAPI gop_query_mode(struct efi_gop *this, u32 mode_number,
}
gopobj = container_of(this, struct efi_gop_obj, ops);
ret = efi_allocate_pool(EFI_BOOT_SERVICES_DATA, sizeof(gopobj->info),
(void **)info);
if (ret != EFI_SUCCESS)
goto out;
*size_of_info = sizeof(gopobj->info);
*info = &gopobj->info;
memcpy(*info, &gopobj->info, sizeof(gopobj->info));
out:
return EFI_EXIT(ret);

5
lib/efi_selftest/efi_selftest_gop.c
View file

@ -80,6 +80,11 @@ static int execute(void)
}
efi_st_printf("Mode %u: %u x %u\n",
i, info->width, info->height);
ret = boottime->free_pool(info);
if (ret != EFI_SUCCESS) {
efi_st_printf("FreePool failed");
return EFI_ST_FAILURE;
}
}
return EFI_ST_SUCCESS;