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Fix a couple of bugs in CDROM_GetSerial:

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- it would fail if DeviceIoControl succeeded.
 - it would leak handles in some cases.
This commit is contained in:
Mike McCormack 2003-07-21 20:02:23 +00:00 committed by Alexandre Julliard
parent ec0d425278
commit 5ef127a000
1 changed files with 23 additions and 6 deletions
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29
files/drive.c
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@ -861,12 +861,18 @@ failure:
*/
static DWORD CDROM_GetLabel(int drive, WCHAR *label)
{
HANDLE h = CDROM_Open(drive);
HANDLE h;
CDROM_DISK_DATA cdd;
DWORD br;
DWORD ret = 1;
DWORD br, ret = 1;
BOOL r;
if (!h || !DeviceIoControl(h, IOCTL_CDROM_DISK_TYPE, NULL, 0, &cdd, sizeof(cdd), &br, 0))
h = CDROM_Open(drive);
if( !h )
return 0;
r = DeviceIoControl(h, IOCTL_CDROM_DISK_TYPE, NULL,
0, &cdd, sizeof(cdd), &br, 0);
CloseHandle( h );
if( !r )
return 0;
switch (cdd.DiskData & 0x03)
@ -1032,12 +1038,23 @@ static DWORD CDROM_Data_GetSerial(int drive)
static DWORD CDROM_GetSerial(int drive)
{
DWORD serial = 0;
HANDLE h = CDROM_Open(drive);
HANDLE h;
CDROM_DISK_DATA cdd;
DWORD br;
BOOL r;
if (!h || ! !DeviceIoControl(h, IOCTL_CDROM_DISK_TYPE, NULL, 0, &cdd, sizeof(cdd), &br, 0))
TRACE("%d\n", drive);
h = CDROM_Open(drive);
if( !h )
return 0;
r = DeviceIoControl(h, IOCTL_CDROM_DISK_TYPE, NULL,
0, &cdd, sizeof(cdd), &br, 0);
if (!r)
{
CloseHandle(h);
return 0;
}
switch (cdd.DiskData & 0x03)
{