summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/uterm_fbdev_video.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/uterm_fbdev_video.c b/src/uterm_fbdev_video.c
index 1983bf8..2ca53fd 100644
--- a/src/uterm_fbdev_video.c
+++ b/src/uterm_fbdev_video.c
@@ -298,7 +298,7 @@ static int display_activate_force(struct uterm_display *disp,
if (disp->flags & DISPLAY_DBUF)
len *= 2;
- dfb->map = mmap(0, len, PROT_WRITE, MAP_SHARED, dfb->fd, 0);
+ dfb->map = mmap(0, len, PROT_READ | PROT_WRITE, MAP_SHARED, dfb->fd, 0);
if (dfb->map == MAP_FAILED) {
log_error("cannot mmap device %s (%d): %m", dfb->node,
errno);