[PATCH] selftests/efivarfs: create-read: fix a resource leak

From: zhujun2
Date: Tue Oct 17 2023 - 22:01:17 EST


The opened file should be closed in main(), otherwise resource
leak will occur that this problem was discovered by code reading

Signed-off-by: zhujun2 <zhujun2@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/efivarfs/create-read.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/efivarfs/create-read.c b/tools/testing/selftests/efivarfs/create-read.c
index 9674a1939..7bc7af4eb 100644
--- a/tools/testing/selftests/efivarfs/create-read.c
+++ b/tools/testing/selftests/efivarfs/create-read.c
@@ -32,8 +32,10 @@ int main(int argc, char **argv)
rc = read(fd, buf, sizeof(buf));
if (rc != 0) {
fprintf(stderr, "Reading a new var should return EOF\n");
+ close(fd);
return EXIT_FAILURE;
}

+ close(fd);
return EXIT_SUCCESS;
}
--
2.17.1