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Merge pull request #1565 from Emantor/fix/realloc_allocation

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backend/drm: fix memory leak in realloc crtcs
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Scott Anderson 2019-02-21 07:23:25 +00:00 • committed by GitHub
commit 132290aeb4
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 2 deletions
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10
backend/drm/drm.c
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@ -888,8 +888,9 @@ static void dealloc_crtc(struct wlr_drm_connector *conn) {
static void realloc_crtcs(struct wlr_drm_backend *drm, bool *changed_outputs) {
size_t num_outputs = wl_list_length(&drm->outputs);
bool changed_local = changed_outputs ? false : true;
if (changed_outputs == NULL) {
if (changed_local) {
changed_outputs = calloc(num_outputs, sizeof(bool));
if (changed_outputs == NULL) {
wlr_log(WLR_ERROR, "Allocation failed");
@ -952,7 +953,7 @@ static void realloc_crtcs(struct wlr_drm_backend *drm, bool *changed_outputs) {
connectors[crtc[i]]->desired_enabled) {
wlr_log(WLR_DEBUG, "Could not match a CRTC for connected output %d",
crtc[i]);
return;
goto free_changed_outputs;
}
}
@ -1021,6 +1022,11 @@ static void realloc_crtcs(struct wlr_drm_backend *drm, bool *changed_outputs) {
wlr_output_damage_whole(&conn->output);
}
free_changed_outputs:
if (changed_local) {
free(changed_outputs);
}
}
static uint32_t get_possible_crtcs(int fd, drmModeRes *res,