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-rw-r--r--drivers/hwtracing/stm/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
index 0e731143f6a4..9414900575d8 100644
--- a/drivers/hwtracing/stm/core.c
+++ b/drivers/hwtracing/stm/core.c
@@ -566,7 +566,7 @@ static int stm_char_policy_set_ioctl(struct stm_file *stmf, void __user *arg)
if (copy_from_user(&size, arg, sizeof(size)))
return -EFAULT;
- if (size >= PATH_MAX + sizeof(*id))
+ if (size < sizeof(*id) || size >= PATH_MAX + sizeof(*id))
return -EINVAL;
/*