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rpcrt4: Do not omit mandatory argument to VirtualProtect.

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Thomas Faber 2014-06-21 18:44:57 +02:00 • committed by Alexandre Julliard
parent b2d22ecb07
commit 8fe759dfae
2 changed files with 4 additions and 2 deletions
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3
dlls/rpcrt4/cproxy.c
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@ -192,13 +192,14 @@ static const struct thunk *allocate_block( unsigned int num )
{
unsigned int i;
struct thunk *prev, *block;
DWORD oldprot;
block = VirtualAlloc( NULL, BLOCK_SIZE * sizeof(*block),
MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE );
if (!block) return NULL;
for (i = 0; i < BLOCK_SIZE; i++) init_thunk( &block[i], BLOCK_SIZE * num + i + 3 );
VirtualProtect( block, BLOCK_SIZE * sizeof(*block), PAGE_EXECUTE_READ, NULL );
VirtualProtect( block, BLOCK_SIZE * sizeof(*block), PAGE_EXECUTE_READ, &oldprot );
prev = InterlockedCompareExchangePointer( (void **)&method_blocks[num], block, NULL );
if (prev) /* someone beat us to it */
{

3
dlls/rpcrt4/cstub.c
View file

@ -194,6 +194,7 @@ static const vtbl_method_t *allocate_block( unsigned int num )
{
unsigned int i;
vtbl_method_t *prev, *block;
DWORD oldprot;
block = VirtualAlloc( NULL, BLOCK_SIZE * sizeof(*block),
MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE );
@ -204,7 +205,7 @@ static const vtbl_method_t *allocate_block( unsigned int num )
memcpy( &block[i], opcodes, sizeof(opcodes) );
block[i].offset = (BLOCK_SIZE * num + i + 3) * sizeof(void *);
}
VirtualProtect( block, BLOCK_SIZE * sizeof(*block), PAGE_EXECUTE_READ, NULL );
VirtualProtect( block, BLOCK_SIZE * sizeof(*block), PAGE_EXECUTE_READ, &oldprot );
prev = InterlockedCompareExchangePointer( (void **)&method_blocks[num], block, NULL );
if (prev) /* someone beat us to it */
{