From: Eugeniu Rosca <erosca@de.adit-jv.com>
Date: Sat, 1 Jul 2017 12:57:28 +0000 (+0200)
Subject: selftests: watchdog: point out ioctl() failures
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=42f34c4e245641d1bae88de469053d3c3aa4d9fa;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

selftests: watchdog: point out ioctl() failures

Report the failure of WDIOC_SETOPTIONS/WDIOC_SETTIMEOUT ioctls.

Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
---

diff --git a/tools/testing/selftests/watchdog/watchdog-test.c b/tools/testing/selftests/watchdog/watchdog-test.c
index 5cfa88c73095..41f40c3c4d95 100644
--- a/tools/testing/selftests/watchdog/watchdog-test.c
+++ b/tools/testing/selftests/watchdog/watchdog-test.c
@@ -94,12 +94,16 @@ int main(int argc, char *argv[])
 			ret = ioctl(fd, WDIOC_SETOPTIONS, &flags);
 			if (!ret)
 				printf("Watchdog card disabled.\n");
+			else
+				printf("WDIOS_DISABLECARD errno '%s'\n", strerror(errno));
 			break;
 		case 'e':
 			flags = WDIOS_ENABLECARD;
 			ret = ioctl(fd, WDIOC_SETOPTIONS, &flags);
 			if (!ret)
 				printf("Watchdog card enabled.\n");
+			else
+				printf("WDIOS_ENABLECARD errno '%s'\n", strerror(errno));
 			break;
 		case 'p':
 			ping_rate = strtoul(optarg, NULL, 0);
@@ -110,6 +114,8 @@ int main(int argc, char *argv[])
 			ret = ioctl(fd, WDIOC_SETTIMEOUT, &flags);
 			if (!ret)
 				printf("Watchdog timeout set to %u seconds.\n", flags);
+			else
+				printf("WDIOC_SETTIMEOUT errno '%s'\n", strerror(errno));
 			break;
 		default:
 			usage(argv[0]);