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winsys/radeon: Destroy fd_hash table when the last winsys is removed.

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Fixes memory leak on module unload.
v2: Use util_hash_table helper function

CC: <mesa-stable@lists.freedesktop.org>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
(cherry picked from commit 45dfa6f4e7)
This commit is contained in:
Jan Vesely 2018-05-08 01:39:04 -04:00 • committed by Dylan Baker
parent 5fc5b1dab8
commit 5519bb3c65
1 changed files with 6 additions and 1 deletions
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7
src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
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@ -719,8 +719,13 @@ static bool radeon_winsys_unref(struct radeon_winsys *ws)
mtx_lock(&fd_tab_mutex);
destroy = pipe_reference(&rws->reference, NULL);
if (destroy && fd_tab)
if (destroy && fd_tab) {
util_hash_table_remove(fd_tab, intptr_to_pointer(rws->fd));
if (util_hash_table_count(fd_tab) == 0) {
util_hash_table_destroy(fd_tab);
fd_tab = NULL;
}
}
mtx_unlock(&fd_tab_mutex);
return destroy;