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-rw-r--r--tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c1
-rw-r--r--tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc9
-rwxr-xr-xtools/testing/selftests/lkdtm/run.sh22
-rw-r--r--tools/testing/selftests/nsfs/pidns.c2
4 files changed, 22 insertions, 12 deletions
diff --git a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c
index cd5e1f602ac9..909da9cdda97 100644
--- a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c
+++ b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c
@@ -351,6 +351,7 @@ static int test_alloc_errors(char *heap_name)
}
printf("Expected error checking passed\n");
+ ret = 0;
out:
if (dmabuf_fd >= 0)
close(dmabuf_fd);
diff --git a/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc b/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
index cbd174334a48..2b82c80edf69 100644
--- a/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
+++ b/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
@@ -17,7 +17,14 @@ unsup() { #msg
exit_unsupported
}
-modprobe $MOD || unsup "$MOD module not available"
+unres() { #msg
+ reset_tracer
+ rmmod $MOD || true
+ echo $1
+ exit_unresolved
+}
+
+modprobe $MOD || unres "$MOD module not available"
rmmod $MOD
grep -q "preemptoff" available_tracers || unsup "preemptoff tracer not enabled"
diff --git a/tools/testing/selftests/lkdtm/run.sh b/tools/testing/selftests/lkdtm/run.sh
index dadf819148a4..ee64ff8df8f4 100755
--- a/tools/testing/selftests/lkdtm/run.sh
+++ b/tools/testing/selftests/lkdtm/run.sh
@@ -25,13 +25,13 @@ fi
# Figure out which test to run from our script name.
test=$(basename $0 .sh)
# Look up details about the test from master list of LKDTM tests.
-line=$(egrep '^#?'"$test"'\b' tests.txt)
+line=$(grep -E '^#?'"$test"'\b' tests.txt)
if [ -z "$line" ]; then
echo "Skipped: missing test '$test' in tests.txt"
exit $KSELFTEST_SKIP_TEST
fi
# Check that the test is known to LKDTM.
-if ! egrep -q '^'"$test"'$' "$TRIGGER" ; then
+if ! grep -E -q '^'"$test"'$' "$TRIGGER" ; then
echo "Skipped: test '$test' missing in $TRIGGER!"
exit $KSELFTEST_SKIP_TEST
fi
@@ -59,30 +59,32 @@ if [ -z "$expect" ]; then
expect="call trace:"
fi
-# Clear out dmesg for output reporting
-dmesg -c >/dev/null
-
# Prepare log for report checking
-LOG=$(mktemp --tmpdir -t lkdtm-XXXXXX)
+LOG=$(mktemp --tmpdir -t lkdtm-log-XXXXXX)
+DMESG=$(mktemp --tmpdir -t lkdtm-dmesg-XXXXXX)
cleanup() {
- rm -f "$LOG"
+ rm -f "$LOG" "$DMESG"
}
trap cleanup EXIT
+# Save existing dmesg so we can detect new content below
+dmesg > "$DMESG"
+
# Most shells yell about signals and we're expecting the "cat" process
# to usually be killed by the kernel. So we have to run it in a sub-shell
# and silence errors.
($SHELL -c 'cat <(echo '"$test"') >'"$TRIGGER" 2>/dev/null) || true
# Record and dump the results
-dmesg -c >"$LOG"
+dmesg | diff --changed-group-format='%>' --unchanged-group-format='' "$DMESG" - > "$LOG" || true
+
cat "$LOG"
# Check for expected output
-if egrep -qi "$expect" "$LOG" ; then
+if grep -E -qi "$expect" "$LOG" ; then
echo "$test: saw '$expect': ok"
exit 0
else
- if egrep -qi XFAIL: "$LOG" ; then
+ if grep -E -qi XFAIL: "$LOG" ; then
echo "$test: saw 'XFAIL': [SKIP]"
exit $KSELFTEST_SKIP_TEST
else
diff --git a/tools/testing/selftests/nsfs/pidns.c b/tools/testing/selftests/nsfs/pidns.c
index e0d86e1668c0..e3c772c6a7c7 100644
--- a/tools/testing/selftests/nsfs/pidns.c
+++ b/tools/testing/selftests/nsfs/pidns.c
@@ -27,7 +27,7 @@
#define __stack_aligned__ __attribute__((aligned(16)))
struct cr_clone_arg {
char stack[128] __stack_aligned__;
- char stack_ptr[0];
+ char stack_ptr[];
};
static int child(void *args)