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| author | aalexandrovich <88376726+aalexandrovich@users.noreply.github.com> | 2021-08-23 16:44:22 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-08-23 16:44:22 +0300 |
| commit | 11e4e66efd440216032f53ee7e5ca08cd263a292 (patch) | |
| tree | 630237ec37435734f29cc4ea2c91a75813d61053 /drivers/firmware/efi/libstub/randomalloc.c | |
| parent | 96b18047a7172037ff4206720f4e889670030b41 (diff) | |
| parent | e22ce8eb631bdc47a4a4ea7ecf4e4ba499db4f93 (diff) | |
Merge branch 'torvalds:master' into master
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); |