diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2018-07-02 12:53:53 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2018-07-25 14:59:44 +0200 |
| commit | 4d5e071ee06429d3a6136888d75d8473d8cbdfff (patch) | |
| tree | df9d3f922bfc0a779f9cd5743e4826d2575946f0 /lib/efi_loader/efi_memory.c | |
| parent | 21b3edfc9644f1cef3798f57f965aa44a78d9d22 (diff) | |
efi_loader: check parameters in memory allocation
If no pointer is provided throw an error.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'lib/efi_loader/efi_memory.c')
| -rw-r--r-- | lib/efi_loader/efi_memory.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c index 86edfc95f4..f5aecd4b41 100644 --- a/lib/efi_loader/efi_memory.c +++ b/lib/efi_loader/efi_memory.c @@ -293,6 +293,9 @@ efi_status_t efi_allocate_pages(int type, int memory_type, efi_status_t r = EFI_SUCCESS; uint64_t addr; + if (!memory) + return EFI_INVALID_PARAMETER; + switch (type) { case EFI_ALLOCATE_ANY_PAGES: /* Any page */ @@ -386,6 +389,9 @@ efi_status_t efi_allocate_pool(int pool_type, efi_uintn_t size, void **buffer) u64 num_pages = (size + sizeof(struct efi_pool_allocation) + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT; + if (!buffer) + return EFI_INVALID_PARAMETER; + if (size == 0) { *buffer = NULL; return EFI_SUCCESS; |