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Revert "Remove unnecessary check from wlr_screencast.c" (#54)
* Revert "Remove unnecessary check from wlr_screencast.c"
This reverts commit cc59abb124
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Fixes emersion/xdg-desktop-portal-wlr#50
* Clarify why the check in wlr_screencast is needed
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1 changed files with 8 additions and 3 deletions
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@ -20,9 +20,14 @@
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#include "logger.h"
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static void wlr_frame_buffer_destroy(struct xdpw_screencast_instance *cast) {
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munmap(cast->simple_frame.data, cast->simple_frame.size);
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cast->simple_frame.data = NULL;
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// wl_buffer_destroy won't work on NULL
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// Even though this check may be deemed unnecessary,
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// this has been found to cause SEGFAULTs, like this one:
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// https://github.com/emersion/xdg-desktop-portal-wlr/issues/50
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if (cast->simple_frame.data != NULL) {
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munmap(cast->simple_frame.data, cast->simple_frame.size);
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cast->simple_frame.data = NULL;
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}
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if (cast->simple_frame.buffer != NULL) {
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wl_buffer_destroy(cast->simple_frame.buffer);
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cast->simple_frame.buffer = NULL;
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