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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-16 09:04:28 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-16 09:04:28 +0200 |
| commit | 2dec48c32a349e51920b6a53b464982db4ed1563 (patch) | |
| tree | 2b9cccff8a823d9c6c1a06865f788b183f72d48f /drivers/firmware/efi/libstub/randomalloc.c | |
| parent | cea45a3bd2dd4d9c35581328f571afd32b3c9f48 (diff) | |
| parent | 7c60610d476766e128cc4284bb6349732cbd6606 (diff) | |
Merge 5.14-rc6 into usb-next
We need the USB fix in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/firmware/efi/libstub/randomalloc.c')
| -rw-r--r-- | drivers/firmware/efi/libstub/randomalloc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/firmware/efi/libstub/randomalloc.c b/drivers/firmware/efi/libstub/randomalloc.c index a408df474d83..724155b9e10d 100644 --- a/drivers/firmware/efi/libstub/randomalloc.c +++ b/drivers/firmware/efi/libstub/randomalloc.c @@ -30,6 +30,8 @@ static unsigned long get_entry_num_slots(efi_memory_desc_t *md, region_end = min(md->phys_addr + md->num_pages * EFI_PAGE_SIZE - 1, (u64)ULONG_MAX); + if (region_end < size) + return 0; first_slot = round_up(md->phys_addr, align); last_slot = round_down(region_end - size + 1, align); |