msacm32: Catch NULL parameters in acmFormatSuggest().

d08197f9 · Bruno Jesus · Alexandre Julliard · f5d183e2 · d08197f9
Commit d08197f9 authored Sep 09, 2015 by Bruno Jesus Committed by Alexandre Julliard Sep 09, 2015
Hide whitespace changes
Inline Side-by-side

Showing with 3 additions and 0 deletions

format.c dlls/msacm32/format.c +3 -0

No files found.
--- a/dlls/msacm32/format.c
+++ b/dlls/msacm32/format.c
@@ -676,6 +676,9 @@ MMRESULT WINAPI acmFormatSuggest(HACMDRIVER had, PWAVEFORMATEX pwfxSrc,
    TRACE("(%p, %p, %p, %d, %d)\n",
 	  had, pwfxSrc, pwfxDst, cbwfxDst, fdwSuggest);

+    if (!pwfxSrc || !pwfxDst)
+        return MMSYSERR_INVALPARAM;
+
    if (fdwSuggest & ~(ACM_FORMATSUGGESTF_NCHANNELS|ACM_FORMATSUGGESTF_NSAMPLESPERSEC|
 		       ACM_FORMATSUGGESTF_WBITSPERSAMPLE|ACM_FORMATSUGGESTF_WFORMATTAG))
 	return MMSYSERR_INVALFLAG;