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-rw-r--r--tools/testing/selftests/efivarfs/Makefile2
-rw-r--r--tools/testing/selftests/efivarfs/create-read.c38
-rw-r--r--tools/testing/selftests/efivarfs/efivarfs.sh7
3 files changed, 46 insertions, 1 deletions
diff --git a/tools/testing/selftests/efivarfs/Makefile b/tools/testing/selftests/efivarfs/Makefile
index b64f614..29e8c6b 100644
--- a/tools/testing/selftests/efivarfs/Makefile
+++ b/tools/testing/selftests/efivarfs/Makefile
@@ -1,7 +1,7 @@
CC = $(CROSS_COMPILE)gcc
CFLAGS = -Wall
-test_objs = open-unlink
+test_objs = open-unlink create-read
all: $(test_objs)
diff --git a/tools/testing/selftests/efivarfs/create-read.c b/tools/testing/selftests/efivarfs/create-read.c
new file mode 100644
index 0000000..7feef18
--- /dev/null
+++ b/tools/testing/selftests/efivarfs/create-read.c
@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+
+int main(int argc, char **argv)
+{
+ const char *path;
+ char buf[4];
+ int fd, rc;
+
+ if (argc < 2) {
+ fprintf(stderr, "usage: %s <path>\n", argv[0]);
+ return EXIT_FAILURE;
+ }
+
+ path = argv[1];
+
+ /* create a test variable */
+ fd = open(path, O_RDWR | O_CREAT, 0600);
+ if (fd < 0) {
+ perror("open(O_WRONLY)");
+ return EXIT_FAILURE;
+ }
+
+ rc = read(fd, buf, sizeof(buf));
+ if (rc != 0) {
+ fprintf(stderr, "Reading a new var should return EOF\n");
+ return EXIT_FAILURE;
+ }
+
+ return EXIT_SUCCESS;
+}
diff --git a/tools/testing/selftests/efivarfs/efivarfs.sh b/tools/testing/selftests/efivarfs/efivarfs.sh
index 3af4b37..880cdd5 100644
--- a/tools/testing/selftests/efivarfs/efivarfs.sh
+++ b/tools/testing/selftests/efivarfs/efivarfs.sh
@@ -70,6 +70,12 @@ test_create_empty()
fi
}
+test_create_read()
+{
+ local file=$efivarfs_mount/$FUNCNAME-$test_guid
+ ./create-read $file
+}
+
test_delete()
{
local attrs='\x07\x00\x00\x00'
@@ -125,6 +131,7 @@ rc=0
run_test test_create
run_test test_create_empty
+run_test test_create_read
run_test test_delete
run_test test_zero_size_delete
run_test test_open_unlink