stress-ng/SOURCES/0001-stress-sysfs-check-for...

56 lines
1.5 KiB
Diff

From 6a22f648bd3452c83c5f88ec530d496fefe5e9a0 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Mon, 21 Nov 2022 12:16:47 +0000
Subject: [PATCH 1/3] stress-sysfs: check for zero sysfs entries after pruning
the directory
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
---
stress-sysfs.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/stress-sysfs.c b/stress-sysfs.c
index 00fe9ba08100..24267d00ee5a 100644
--- a/stress-sysfs.c
+++ b/stress-sysfs.c
@@ -634,14 +634,11 @@ static int stress_sysfs(const stress_args_t *args)
}
n = scandir("/sys", &dlist, NULL, alphasort);
- if (n <= 0) {
- if (args->instance == 0)
- pr_inf_skip("%s: no /sys entries found, skipping stressor\n", args->name);
- stress_dirent_list_free(dlist, n);
- (void)munmap((void *)ctxt, sizeof(*ctxt));
- return EXIT_NO_RESOURCE;
- }
+ if (n <= 0)
+ goto exit_no_sysfs_entries;
n = stress_dirent_list_prune(dlist, n);
+ if (n <= 0)
+ goto exit_no_sysfs_entries;
os_release = 0;
#if defined(HAVE_UNAME) && \
@@ -806,10 +803,17 @@ finish:
(void)close(ctxt->kmsgfd);
(void)shim_pthread_spin_destroy(&lock);
+exit_free:
stress_dirent_list_free(dlist, n);
(void)munmap((void *)ctxt, sizeof(*ctxt));
return rc;
+
+exit_no_sysfs_entries:
+ if (args->instance == 0)
+ pr_inf_skip("%s: no /sys entries found, skipping stressor\n", args->name);
+ rc = EXIT_NO_RESOURCE;
+ goto exit_free;
}
stressor_info_t stress_sysfs_info = {
--
2.38.1