From d974f67a528fa7ef5547318ea09bf581c8c1d3d9 Mon Sep 17 00:00:00 2001 From: Jeremy Kerr Date: Wed, 27 Feb 2013 17:05:55 -0800 Subject: [PATCH] selftests/efivarfs: add create-read test Test that reads from a newly-created efivarfs file (with no data written) will return EOF. Signed-off-by: Jeremy Kerr Cc: Matt Fleming Cc: Lingzhu Xiang Cc: Dave Young Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- tools/testing/selftests/efivarfs/Makefile | 2 +- .../testing/selftests/efivarfs/create-read.c | 38 +++++++++++++++++++ tools/testing/selftests/efivarfs/efivarfs.sh | 7 ++++ 3 files changed, 46 insertions(+), 1 deletion(-) create mode 100644 tools/testing/selftests/efivarfs/create-read.c diff --git a/tools/testing/selftests/efivarfs/Makefile b/tools/testing/selftests/efivarfs/Makefile index b64f61467e26..29e8c6bc81b0 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: $(test_objs) diff --git a/tools/testing/selftests/efivarfs/create-read.c b/tools/testing/selftests/efivarfs/create-read.c new file mode 100644 index 000000000000..7feef1880968 --- /dev/null +++ b/tools/testing/selftests/efivarfs/create-read.c @@ -0,0 +1,38 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +int main(int argc, char **argv) +{ + const char *path; + char buf[4]; + int fd, rc; + + if (argc < 2) { + fprintf(stderr, "usage: %s \n", argv[0]); + return EXIT_FAILURE; + } + + path = argv[1]; + + /* create a test variable */ + fd = open(path, O_RDWR | O_CREAT, 0600); + if (fd < 0) { + perror("open(O_WRONLY)"); + return EXIT_FAILURE; + } + + rc = read(fd, buf, sizeof(buf)); + if (rc != 0) { + fprintf(stderr, "Reading a new var should return EOF\n"); + return EXIT_FAILURE; + } + + return EXIT_SUCCESS; +} diff --git a/tools/testing/selftests/efivarfs/efivarfs.sh b/tools/testing/selftests/efivarfs/efivarfs.sh index 3af4b370e70d..880cdd5dc63f 100644 --- a/tools/testing/selftests/efivarfs/efivarfs.sh +++ b/tools/testing/selftests/efivarfs/efivarfs.sh @@ -70,6 +70,12 @@ test_create_empty() fi } +test_create_read() +{ + local file=$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