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(parent: b27cc7b) | patch
drm: Shift wrap bug in create_in_format_blob()
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 9 Aug 2017 11:19:06 +0000 (14:19 +0300)
committerSean Paul <seanpaul@chromium.org>
Wed, 9 Aug 2017 14:15:52 +0000 (10:15 -0400)
commitaadd41485bb227a16f964833a4fd55c091f4a729
treeb07aa758f657e93b9877d59c2b8b296a8b69f23ftree | snapshot
parentb27cc7b5b728c62a8d7fe92c159a4d8daacd064acommit | diff
drm: Shift wrap bug in create_in_format_blob()

"plane->format_count" can go up to 64.  (It's capped in
drm_universal_plane_init().)  So we should be using ULL type instead of
int here to prevent shift wrapping.

Fixes: db1689aa61bd ("drm: Create a format/modifier blob")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20170809111906.4rv3hzritctfktv3@mwanda
drivers/gpu/drm/drm_plane.c diff | blob | history
Domain: System / Kernel;