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modes: Fix previous commit for potential legal NULLs 

If the count is 0, then the malloc is permitted to return NULL, so don't
throw an error in that case.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson 2010-01-06 16:53:33 +00:00
parent 85fb3e55fd
commit e6c136ca7a
1 changed files with 5 additions and 1 deletions
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6
xf86drmMode.c
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@ -206,7 +206,11 @@ retry:
r->crtcs = drmAllocCpy(U642VOID(res.crtc_id_ptr), res.count_crtcs, sizeof(uint32_t));
r->connectors = drmAllocCpy(U642VOID(res.connector_id_ptr), res.count_connectors, sizeof(uint32_t));
r->encoders = drmAllocCpy(U642VOID(res.encoder_id_ptr), res.count_encoders, sizeof(uint32_t));
if (!r->fbs || !r->crtcs || !r->connectors || !r->encoders) {
if ((res.count_fbs && !r->fbs) ||
(res.count_crtcs && !r->crtcs) ||
(res.count_connectors && !r->connectors) ||
(res.count_encoders && !r->encoders))
{
drmFree(r->fbs);
drmFree(r->crtcs);
drmFree(r->connectors);