summaryrefslogtreecommitdiff
path: root/drivers/input/input-mt.c
diff options
context:
space:
mode:
authorJonathan Corbet <corbet@lwn.net>2024-09-05 14:01:38 -0600
committerJonathan Corbet <corbet@lwn.net>2024-09-05 14:01:38 -0600
commitd224338aa105bf3c4c4aa8b2ccdbd675c71ffbfe (patch)
treeb7b6b8c98595c89f7ad5307120cb3156708991bc /drivers/input/input-mt.c
parenteb5ed2fae19745fcb7dd0dcfbfbcd8b2847bc5c1 (diff)
parent431c1646e1f86b949fa3685efc50b660a364c2b6 (diff)
Merge tag 'v6.11-rc6' into docs-mw
This is done primarily to get a docs build fix merged via another tree so that "make htmldocs" stops failing.
Diffstat (limited to 'drivers/input/input-mt.c')
-rw-r--r--drivers/input/input-mt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c
index 14b53dac1253..6b04a674f832 100644
--- a/drivers/input/input-mt.c
+++ b/drivers/input/input-mt.c
@@ -46,6 +46,9 @@ int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots,
return 0;
if (mt)
return mt->num_slots != num_slots ? -EINVAL : 0;
+ /* Arbitrary limit for avoiding too large memory allocation. */
+ if (num_slots > 1024)
+ return -EINVAL;
mt = kzalloc(struct_size(mt, slots, num_slots), GFP_KERNEL);
if (!mt)