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authorThomas Gleixner <tglx@linutronix.de>2018-08-06 12:45:42 +0200
committerThomas Gleixner <tglx@linutronix.de>2018-08-06 12:45:42 +0200
commit9e90c7985229430428dc9ba0ec7fe422901b456d (patch)
treecae2072feba8cc433a32d96568bbcf36070bd6e5 /drivers/gpu/drm/udl/udl_fb.c
parentgenirq/irqchip: Remove MULTI_IRQ_HANDLER as it's now obselete (diff)
parentirqchip/gic-v3-its: Make its_lock a raw_spin_lock_t (diff)
downloadwireguard-linux-9e90c7985229430428dc9ba0ec7fe422901b456d.tar.xz
wireguard-linux-9e90c7985229430428dc9ba0ec7fe422901b456d.zip
Merge tag 'irqchip-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier: - GICv3 ITS LPI allocation revamp - GICv3 support for hypervisor-enforced LPI range - GICv3 ITS conversion to raw spinlock
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