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| author | Connor Behan <connor.behan@gmail.com> | 2015-08-23 11:46:37 -0400 |
|---|---|---|
| committer | Connor Behan <connor.behan@gmail.com> | 2015-08-23 11:46:37 -0400 |
| commit | a4e406c20ab0590214f779c2319ac7b92594a606 (patch) | |
| tree | dd4b59deb56f258933294614b17b101f2b30b758 /src | |
| parent | 70d3d3a384651e5d22840a0de8644eb8b10c5775 (diff) | |
Check for drawables before compositing
This should prevent a crash when something like Cairo tries to composite
a solid picture.
Signed-off-by: Connor Behan <connor.behan@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/smi_exa.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/smi_exa.c b/src/smi_exa.c index 70298ed..67a6fdd 100644 --- a/src/smi_exa.c +++ b/src/smi_exa.c @@ -623,6 +623,10 @@ SMI_PrepareComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture, Pi { ScrnInfoPtr pScrn = xf86ScreenToScrn(pDst->drawable.pScreen); SMIPtr pSmi = SMIPTR(pScrn); + + if (!pSrc) return FALSE; + if (!pSrcPicture->pDrawable) return FALSE; + int src_pitch = exaGetPixmapPitch(pSrc) / (pSrc->drawable.bitsPerPixel >> 3); int dst_pitch = exaGetPixmapPitch(pDst) / (pDst->drawable.bitsPerPixel >> 3); |