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modesetting: Check the return value of the drmGetVersion 

Signed-off-by: xurui <xurui@kylinos.cn>
This commit is contained in:
xurui 2023-03-22 17:08:58 +08:00 committed by Matt Turner
parent 4cf8922270
commit 6c60571528
1 changed files with 10 additions and 5 deletions
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15
hw/xfree86/drivers/modesetting/driver.c
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@ -1100,16 +1100,21 @@ msShouldDoubleShadow(ScrnInfoPtr pScrn, modesettingPtr ms)
{ {
Bool ret = FALSE, asked; Bool ret = FALSE, asked;
int from; int from;
drmVersionPtr v = drmGetVersion(ms->fd); drmVersionPtr v;
if (!ms->drmmode.shadow_enable) if (!ms->drmmode.shadow_enable)
return FALSE; return FALSE;
if (!strcmp(v->name, "mgag200") || if ((v = drmGetVersion(ms->fd))) {
!strcmp(v->name, "ast")) /* XXX || rn50 */ if (!strcmp(v->name, "mgag200") ||
ret = TRUE; !strcmp(v->name, "ast")) /* XXX || rn50 */
ret = TRUE;
drmFreeVersion(v); drmFreeVersion(v);
}
else
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to query DRM version.\n");
asked = xf86GetOptValBool(ms->drmmode.Options, OPTION_DOUBLE_SHADOW, &ret); asked = xf86GetOptValBool(ms->drmmode.Options, OPTION_DOUBLE_SHADOW, &ret);