mmsystem.dll16: Check for NULL ptr in mmioRename (Coverity).

40026a7e · Marcus Meissner · Alexandre Julliard · 91fbdb56 · 40026a7e
Commit 40026a7e authored Dec 03, 2009 by Marcus Meissner Committed by Alexandre Julliard Dec 03, 2009
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mmio16.c dlls/mmsystem.dll16/mmio16.c +2 -1

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--- a/dlls/mmsystem.dll16/mmio16.c
+++ b/dlls/mmsystem.dll16/mmio16.c
@@ -631,7 +631,8 @@ MMRESULT16 WINAPI mmioRename16(LPCSTR szFileName, LPCSTR szNewFileName,
        inst = TRUE;
    }
    memset(&mmioinfo, 0, sizeof(mmioinfo));
-    mmioinfo.fccIOProc = lpmmioinfo->fccIOProc;
+    if (lpmmioinfo)
+        mmioinfo.fccIOProc = lpmmioinfo->fccIOProc;
    ret = mmioRenameA(szFileName, szNewFileName, &mmioinfo, dwRenameFlags);
    if (inst) {
        mmioInstallIOProc16(lpmmioinfo->fccIOProc, NULL, MMIO_REMOVEPROC);