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Fix shadow fb allocation size (v2)

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->bitsPerPixel is rather obviously eight times too large.

v2: Use ->displayWidth - the pitch - not ->virtualX (Keith Packard)

Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Adam Jackson
2017-01-04 10:30:08 -05:00
parent 66e7909bfe
commit 2c5eba8574
1 changed files with 2 additions and 2 deletions
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4
src/fbdev.c
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@@ -827,8 +827,8 @@ FBDevScreenInit(SCREEN_INIT_ARGS_DECL)
fPtr->fbstart = fPtr->fbmem + fPtr->fboff;
if (fPtr->shadowFB) {
fPtr->shadow = calloc(1, pScrn->virtualX * pScrn->virtualY *
pScrn->bitsPerPixel);
fPtr->shadow = calloc(1, pScrn->displayWidth * pScrn->virtualY *
((pScrn->bitsPerPixel + 7) / 8));
if (!fPtr->shadow) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,