backend/session: use DRM_PRIMARY_MINOR_NAME
Instead of hardcoding the string "card", use DRM_PRIMARY_MINOR_NAME. Some systems may use another prefix, e.g. OpenBSD uses "drm" instead.
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@ -127,7 +127,7 @@ static void libseat_session_finish(struct wlr_session *session) {
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}
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static bool is_drm_card(const char *sysname) {
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const char prefix[] = "card";
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const char prefix[] = DRM_PRIMARY_MINOR_NAME;
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if (strncmp(sysname, prefix, strlen(prefix)) != 0) {
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return false;
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}
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@ -395,7 +395,7 @@ static struct udev_enumerate *enumerate_drm_cards(struct udev *udev) {
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}
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udev_enumerate_add_match_subsystem(en, "drm");
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udev_enumerate_add_match_sysname(en, "card[0-9]*");
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udev_enumerate_add_match_sysname(en, DRM_PRIMARY_MINOR_NAME "[0-9]*");
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if (udev_enumerate_scan_devices(en) != 0) {
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wlr_log(WLR_ERROR, "udev_enumerate_scan_devices failed");
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