diff options
| author |   Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2019-08-23 11:35:39 +0200 |
|---|---|---|
| committer | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2019-08-23 11:35:39 +0200 |
| commit | 6f50fa2a6f1395ad5f59ce7b87730f1f3ea19d76 (patch) | |
| tree | f826145c5bf9c502c033e7b67bcefc30eb0f9eee /drivers/gpu/drm/drm_dp_mst_topology.c | |
| parent | HID: logitech-dj: extend consumer usages range (diff) | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid (diff) | |
| download | linux-dev-6f50fa2a6f1395ad5f59ce7b87730f1f3ea19d76.tar.xz linux-dev-6f50fa2a6f1395ad5f59ce7b87730f1f3ea19d76.zip | |
Merge branch 'master' into for-5.4/logitech
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_dp_mst_topology.c')
| -rw-r--r-- | drivers/gpu/drm/drm_dp_mst_topology.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index c630ed157994..0984b9a34d55 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -20,19 +20,20 @@ * OF THIS SOFTWARE. */ -#include <linux/kernel.h> #include <linux/delay.h> -#include <linux/init.h> #include <linux/errno.h> +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/kernel.h> #include <linux/sched.h> #include <linux/seq_file.h> -#include <linux/i2c.h> -#include <drm/drm_dp_mst_helper.h> -#include <drm/drmP.h> -#include <drm/drm_fixed.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> +#include <drm/drm_dp_mst_helper.h> +#include <drm/drm_drv.h> +#include <drm/drm_fixed.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> /** @@ -1995,7 +1996,11 @@ static void process_single_up_tx_qlock(struct drm_dp_mst_topology_mgr *mgr, if (ret != 1) DRM_DEBUG_KMS("failed to send msg in q %d\n", ret); - txmsg->dst->tx_slots[txmsg->seqno] = NULL; + if (txmsg->seqno != -1) { + WARN_ON((unsigned int)txmsg->seqno > + ARRAY_SIZE(txmsg->dst->tx_slots)); + txmsg->dst->tx_slots[txmsg->seqno] = NULL; + } } static void drm_dp_queue_down_tx(struct drm_dp_mst_topology_mgr *mgr, |