From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: dmaengine: stm32-mdma: Add a check on read_u32_array From: Aditya Pakki Message-Id: <20181228192641.9713-1-pakki001@umn.edu> Date: Fri, 28 Dec 2018 13:26:41 -0600 To: pakki001@umn.edu Cc: kjlu@umn.edu, Dan Williams , Vinod Koul , Maxime Coquelin , Alexandre Torgue , dmaengine@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-ID: SW4gc3RtMzJfbWRtYV9wcm9iZSwgYWZ0ZXIgcmVhZGluZyB0aGUgcHJvcGVydHkgInN0LGFoYi1h ZGRyLW1hc2tzIiwgdGhlCnNlY29uZCBjYWxsIGlzIG5vdCBjaGVja2VkIGZvciBmYWlsdXJlLiBU aGlzIHRpbWUgb2YgY2hlY2sgdG8gdGltZSBvZiB1c2UKY2FzZSBvZiAiY291bnQiIGVycm9yIGlz IHNlbnQgdXBzdHJlYW0uCgpTaWduZWQtb2ZmLWJ5OiBBZGl0eWEgUGFra2kgPHBha2tpMDAxQHVt bi5lZHU+Ci0tLQogZHJpdmVycy9kbWEvc3RtMzItbWRtYS5jIHwgNCArKystCiAxIGZpbGUgY2hh bmdlZCwgMyBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVy cy9kbWEvc3RtMzItbWRtYS5jIGIvZHJpdmVycy9kbWEvc3RtMzItbWRtYS5jCmluZGV4IDM5MGU0 Y2FlMGUxYS4uNDg1ZGVhMTc3NzA0IDEwMDY0NAotLS0gYS9kcml2ZXJzL2RtYS9zdG0zMi1tZG1h LmMKKysrIGIvZHJpdmVycy9kbWEvc3RtMzItbWRtYS5jCkBAIC0xNTc5LDkgKzE1NzksMTEgQEAg c3RhdGljIGludCBzdG0zMl9tZG1hX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYp CiAKIAlkbWFkZXYtPm5yX2NoYW5uZWxzID0gbnJfY2hhbm5lbHM7CiAJZG1hZGV2LT5ucl9yZXF1 ZXN0cyA9IG5yX3JlcXVlc3RzOwotCWRldmljZV9wcm9wZXJ0eV9yZWFkX3UzMl9hcnJheSgmcGRl di0+ZGV2LCAic3QsYWhiLWFkZHItbWFza3MiLAorCXJldCA9IGRldmljZV9wcm9wZXJ0eV9yZWFk X3UzMl9hcnJheSgmcGRldi0+ZGV2LCAic3QsYWhiLWFkZHItbWFza3MiLAogCQkJCSAgICAgICBk bWFkZXYtPmFoYl9hZGRyX21hc2tzLAogCQkJCSAgICAgICBjb3VudCk7CisJaWYgKHJldCkKKwkJ cmV0dXJuIHJldDsKIAlkbWFkZXYtPm5yX2FoYl9hZGRyX21hc2tzID0gY291bnQ7CiAKIAlyZXMg PSBwbGF0Zm9ybV9nZXRfcmVzb3VyY2UocGRldiwgSU9SRVNPVVJDRV9NRU0sIDApOwo=