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efi: Free malloc regions on exit

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When we exit grub, we don't free all the memory that we allocated earlier
for our heap region. This can cause problems with setups where you try
to descend the boot order using "exit" entries, such as PXE -> HD boot
scenarios.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Alexander Graf 2017-08-31 16:40:19 +02:00 • committed by Vincent Batts
parent e224ee31c0
commit 8838ac368e
3 changed files with 84 additions and 0 deletions
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include/grub/efi/efi.h
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@ -56,6 +56,7 @@ EXPORT_FUNC(grub_efi_get_memory_map) (grub_efi_uintn_t *memory_map_size,
grub_efi_uintn_t *map_key,
grub_efi_uintn_t *descriptor_size,
grub_efi_uint32_t *descriptor_version);
void grub_efi_memory_fini (void);
grub_efi_loaded_image_t *EXPORT_FUNC(grub_efi_get_loaded_image) (grub_efi_handle_t image_handle);
void EXPORT_FUNC(grub_efi_print_device_path) (grub_efi_device_path_t *dp);
char *EXPORT_FUNC(grub_efi_get_filename) (grub_efi_device_path_t *dp);