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