diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c index 1ed6d24ae1c945753c2a267efc6f5f3af475b7ef..613041870872b87f024da944df74a992e5d90c62 100644 --- a/drivers/acpi/custom_method.c +++ b/drivers/acpi/custom_method.c @@ -52,6 +52,7 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf, (*ppos + count < count) || (count > uncopied_bytes)) { kfree(buf); + buf = NULL; return -EINVAL; } @@ -73,7 +74,6 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf, add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE); } - kfree(buf); return count; }