Hi,
This is a trivial fix for SIGSEGV described in
https://bugs.freedesktop.org/show_bug.cgi?id=79725 occurring due to null
pointer dereference. Currently I do not have enough knowledge about the
protocol itself to be certain if this is not a deeper bug down the line
requiring an assertion here and more involved fix deeper in the input
handling. I would be glad to investigate this issue further if it is in
fact the case.
Best regards,
---
src/data-device.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/data-device.c b/src/data-device.c
index 6a81bc8..87aa902 100644
--- a/src/data-device.c
+++ b/src/data-device.c
@@ -654,7 +654,8 @@ data_device_start_drag(struct wl_client *client,
struct wl_resource *resource,
seat->pointer->grab_serial != serial ||
!seat->pointer->focus ||
seat->pointer->focus->surface !=
wl_resource_get_user_data(origin_resource)) &&
- (seat->touch->grab_serial != serial ||
+ (!seat->touch ||
+ seat->touch->grab_serial != serial ||
!seat->touch->focus ||
seat->touch->focus->surface !=
wl_resource_get_user_data(origin_resource)))
return;
--
1.8.3.2
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