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authorDave Airlie <airlied@redhat.com>2018-07-30 10:39:22 +1000
committerDave Airlie <airlied@redhat.com>2018-07-30 10:39:22 +1000
commit3fce4618279373efc59a91adb16c11da46cd69e5 (patch)
tree086fad6c9f260a0bcc9b6a3532c6cddc387dd907 /drivers/gpu/drm/udl/udl_fb.c
parentecd7963f7cf967009882fd56eaee1e87a229bea2 (diff)
parentacb1872577b346bd15ab3a3f8dff780d6cca4b70 (diff)
BackMerge v4.18-rc7 into drm-next
rmk requested this for armada and I think we've had a few conflicts build up. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/udl/udl_fb.c')
-rw-r--r--drivers/gpu/drm/udl/udl_fb.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
index 2ebdc6d5a76e..d5583190f3e4 100644
--- a/drivers/gpu/drm/udl/udl_fb.c
+++ b/drivers/gpu/drm/udl/udl_fb.c
@@ -137,7 +137,10 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
if (cmd > (char *) urb->transfer_buffer) {
/* Send partial buffer remaining before exiting */
- int len = cmd - (char *) urb->transfer_buffer;
+ int len;
+ if (cmd < (char *) urb->transfer_buffer + urb->transfer_buffer_length)
+ *cmd++ = 0xAF;
+ len = cmd - (char *) urb->transfer_buffer;
ret = udl_submit_urb(dev, urb, len);
bytes_sent += len;
} else