diff options
author | Adam Jackson <ajax@redhat.com> | 2017-06-12 14:43:23 -0400 |
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committer | Adam Jackson <ajax@redhat.com> | 2017-09-25 15:34:10 -0400 |
commit | 87a7393799ab5d1ea4a19ae7687cd50ac0dceeb4 (patch) | |
tree | 9d6be026e51b43ec35d3d18a5d59d93542796b90 | |
parent | faeee7646695261e60ea03d934a0c496a429f31b (diff) |
modesetting: Validate the atom for enum properties
The client could have said anything here, and if what they said doesn't
actually name an atom NameForAtom() will return NULL, and strcmp() will
be unhappy about that.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
(cherry picked from commit d4995a3936ae283b9080fdaa0905daa669ebacfc)
-rw-r--r-- | hw/xfree86/drivers/modesetting/drmmode_display.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/xfree86/drivers/modesetting/drmmode_display.c b/hw/xfree86/drivers/modesetting/drmmode_display.c index 6e755e948..415c1b38d 100644 --- a/hw/xfree86/drivers/modesetting/drmmode_display.c +++ b/hw/xfree86/drivers/modesetting/drmmode_display.c @@ -1566,7 +1566,8 @@ drmmode_output_set_property(xf86OutputPtr output, Atom property, value->size != 1) return FALSE; memcpy(&atom, value->data, 4); - name = NameForAtom(atom); + if (!(name = NameForAtom(atom))) + return FALSE; /* search for matching name string, then set its value down */ for (j = 0; j < p->mode_prop->count_enums; j++) { |