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authorTom Murphy <murphyt7@tcd.ie>2018-11-27 11:33:08 +0100
committerShuah Khan <shuah@kernel.org>2018-12-13 21:03:48 +0100
commit6edf2e3710f4ef2555ad7a2681dbeb4a69092b2d (patch)
tree96eac782a9db36726b4a9451c532b5546f7a71c6
parentselftests: watchdog: fix spelling mistake "experies" -> "expires" (diff)
downloadlinux-6edf2e3710f4ef2555ad7a2681dbeb4a69092b2d.tar.xz
linux-6edf2e3710f4ef2555ad7a2681dbeb4a69092b2d.zip
fix dma-buf/udmabuf selftest
This patch fixes the udmabuf selftest. Currently the selftest is broken. I fixed the selftest by setting the F_SEAL_SHRINK seal on the memfd file descriptor which is required by udmabuf and added the test to the selftest Makefile. Signed-off-by: Tom Murphy <murphyt7@tcd.ie> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Shuah Khan <shuah@kernel.org>
-rw-r--r--tools/testing/selftests/Makefile1
-rw-r--r--tools/testing/selftests/drivers/dma-buf/Makefile2
-rw-r--r--tools/testing/selftests/drivers/dma-buf/udmabuf.c11
3 files changed, 12 insertions, 2 deletions
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index 995034ea5546..9ced25e61df7 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -6,6 +6,7 @@ TARGETS += capabilities
TARGETS += cgroup
TARGETS += cpufreq
TARGETS += cpu-hotplug
+TARGETS += drivers/dma-buf
TARGETS += efivarfs
TARGETS += exec
TARGETS += filesystems
diff --git a/tools/testing/selftests/drivers/dma-buf/Makefile b/tools/testing/selftests/drivers/dma-buf/Makefile
index 4154c3d7aa58..f22c3f7cf612 100644
--- a/tools/testing/selftests/drivers/dma-buf/Makefile
+++ b/tools/testing/selftests/drivers/dma-buf/Makefile
@@ -2,4 +2,6 @@ CFLAGS += -I../../../../../usr/include/
TEST_GEN_PROGS := udmabuf
+top_srcdir ?=../../../../..
+
include ../../lib.mk
diff --git a/tools/testing/selftests/drivers/dma-buf/udmabuf.c b/tools/testing/selftests/drivers/dma-buf/udmabuf.c
index 376b1d6730bd..4de902ea14d8 100644
--- a/tools/testing/selftests/drivers/dma-buf/udmabuf.c
+++ b/tools/testing/selftests/drivers/dma-buf/udmabuf.c
@@ -4,7 +4,7 @@
#include <unistd.h>
#include <string.h>
#include <errno.h>
-#include <fcntl.h>
+#include <linux/fcntl.h>
#include <malloc.h>
#include <sys/ioctl.h>
@@ -33,12 +33,19 @@ int main(int argc, char *argv[])
exit(77);
}
- memfd = memfd_create("udmabuf-test", MFD_CLOEXEC);
+ memfd = memfd_create("udmabuf-test", MFD_ALLOW_SEALING);
if (memfd < 0) {
printf("%s: [skip,no-memfd]\n", TEST_PREFIX);
exit(77);
}
+ ret = fcntl(memfd, F_ADD_SEALS, F_SEAL_SHRINK);
+ if (ret < 0) {
+ printf("%s: [skip,fcntl-add-seals]\n", TEST_PREFIX);
+ exit(77);
+ }
+
+
size = getpagesize() * NUM_PAGES;
ret = ftruncate(memfd, size);
if (ret == -1) {