[PATCH i-g-t v2 13/16] tests/core_hotunplug: Process return values of sysfs operations

[Janusz Krzysztofik <janusz.krzysztofik@xxxxxxxxxxxxxxx>]

Return values of driver bind/unbind / device remove/recover sysfs
operations are now ignored.  Assert their correctness.

v2: Add trailing newlines missing from igt_assert messages,
  - rebase on current upstream master.

Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@xxxxxxxxxxxxxxx>
Reviewed-by: Michał Winiarski <michal.winiarski@xxxxxxxxx>
---
 tests/core_hotunplug.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/tests/core_hotunplug.c b/tests/core_hotunplug.c
index a4902eba2..48affce9b 100644
--- a/tests/core_hotunplug.c
+++ b/tests/core_hotunplug.c
@@ -95,7 +95,9 @@ static void driver_unbind(struct hotunplug *priv, const char *prefix)
 	igt_debug("%sunbinding the driver from the device\n", prefix);
 
 	igt_set_timeout(60, "Driver unbind timeout!");
-	igt_sysfs_set(priv->fd.sysfs_drv, "unbind", priv->dev_bus_addr);
+	igt_assert_f(igt_sysfs_set(priv->fd.sysfs_drv, "unbind",
+				   priv->dev_bus_addr),
+		     "Driver unbind failure!\n");
 	igt_reset_timeout();
 }
 
@@ -105,7 +107,9 @@ static void driver_bind(struct hotunplug *priv)
 	igt_debug("rebinding the driver to the device\n");
 
 	igt_set_timeout(60, "Driver re-bind timeout!");
-	igt_sysfs_set(priv->fd.sysfs_drv, "bind", priv->dev_bus_addr);
+	igt_assert_f(igt_sysfs_set(priv->fd.sysfs_drv, "bind",
+				   priv->dev_bus_addr),
+		     "Driver re-bind failure\n!");
 	igt_reset_timeout();
 }
 
@@ -122,7 +126,8 @@ static void device_unplug(struct hotunplug *priv, const char *prefix)
 	igt_debug("%sunplugging the device\n", prefix);
 
 	igt_set_timeout(60, "Device unplug timeout!");
-	igt_sysfs_set(priv->fd.sysfs_dev, "remove", "1");
+	igt_assert_f(igt_sysfs_set(priv->fd.sysfs_dev, "remove", "1"),
+		     "Device unplug failure\n!");
 	igt_reset_timeout();
 
 	priv->fd.sysfs_dev = local_close(priv->fd.sysfs_dev);
@@ -136,7 +141,8 @@ static void bus_rescan(struct hotunplug *priv)
 	igt_debug("recovering the device\n");
 
 	igt_set_timeout(60, "Bus rescan timeout!");
-	igt_sysfs_set(priv->fd.sysfs_bus, "../rescan", "1");
+	igt_assert_f(igt_sysfs_set(priv->fd.sysfs_bus, "../rescan", "1"),
+		       "Bus rescan failure!\n");
 	igt_reset_timeout();
 }
 
-- 
2.21.1

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