tree a071fa95199db1e53162b1bd6fae4e28c17692f5
parent 3a01e2eece069235c56bbb0d0dc84060143a778d
author Heinrich Schuchardt <heinrich.schuchardt@canonical.com> 1664490426 +0000
committer Heinrich Schuchardt <heinrich.schuchardt@canonical.com> 1665089696 +0200

regmap: fix range checks

On the 32bit ARM sandbox 'dm ut dm_test_devm_regmap' fails with an abort.
This is due to incorrect range checks.

On 32-bit systems the size of size_t and int is both 32 bit. The expression
(offset + val_len) is bound to overflow if offset == -1. Add an overflow
check.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>