4.14-stable review patch. If anyone has any objections, please let me know.
------------------
[ Upstream commit fb2a1748355161e050e9f49f1ea9a0ae707a148b ]
Validate command parsing in acpi_nfit_ctl for the clear error command.
This tests for a crash condition introduced by commit 4b27db7e26cd
"acpi, nfit: add support for the _LSI, _LSR, and _LSW label methods".
Cc: Vishal Verma <vishal.l.verma@xxxxxxxxx>
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
tools/testing/nvdimm/test/nfit.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index bef419d4266d..3ad0b3a3317b 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -1589,6 +1589,7 @@ static int nfit_ctl_test(struct device *dev)
unsigned long mask, cmd_size, offset;
union {
struct nd_cmd_get_config_size cfg_size;
+ struct nd_cmd_clear_error clear_err;
struct nd_cmd_ars_status ars_stat;
struct nd_cmd_ars_cap ars_cap;
char buf[sizeof(struct nd_cmd_ars_status)
@@ -1767,6 +1768,23 @@ static int nfit_ctl_test(struct device *dev)
return -EIO;
}
+ /* test clear error */
+ cmd_size = sizeof(cmds.clear_err);
+ cmds.clear_err = (struct nd_cmd_clear_error) {
+ .length = 512,
+ .cleared = 512,
+ };
+ rc = setup_result(cmds.buf, cmd_size);
+ if (rc)
+ return rc;
+ rc = acpi_nfit_ctl(&acpi_desc->nd_desc, NULL, ND_CMD_CLEAR_ERROR,
+ cmds.buf, cmd_size, &cmd_rc);
+ if (rc < 0 || cmd_rc) {
+ dev_dbg(dev, "%s: failed at: %d rc: %d cmd_rc: %d\n",
+ __func__, __LINE__, rc, cmd_rc);
+ return -EIO;
+ }
+
return 0;
}
--
2.17.1
