Эх сурвалжийг харах

kprobes: Fix selftest to clear flags field for reusing probes

Fix selftest to clear flags field for reusing probes
because the flags field can be modified by Kprobes.
This also set NULL to kprobe.addr instead of 0.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: 2nddept-manager@sdl.hitachi.co.jp
LKML-Reference: <20101014031024.4100.50107.stgit@ltc236.sdl.hitachi.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Masami Hiramatsu 14 жил өмнө
parent
commit
fd02e6f7ae
1 өөрчлөгдсөн 9 нэмэгдсэн , 3 устгасан
  1. 9 3
      kernel/test_kprobes.c

+ 9 - 3
kernel/test_kprobes.c

@@ -115,7 +115,9 @@ static int test_kprobes(void)
 	int ret;
 	struct kprobe *kps[2] = {&kp, &kp2};
 
-	kp.addr = 0; /* addr should be cleard for reusing kprobe. */
+	/* addr and flags should be cleard for reusing kprobe. */
+	kp.addr = NULL;
+	kp.flags = 0;
 	ret = register_kprobes(kps, 2);
 	if (ret < 0) {
 		printk(KERN_ERR "Kprobe smoke test failed: "
@@ -210,7 +212,9 @@ static int test_jprobes(void)
 	int ret;
 	struct jprobe *jps[2] = {&jp, &jp2};
 
-	jp.kp.addr = 0; /* addr should be cleard for reusing kprobe. */
+	/* addr and flags should be cleard for reusing kprobe. */
+	jp.kp.addr = NULL;
+	jp.kp.flags = 0;
 	ret = register_jprobes(jps, 2);
 	if (ret < 0) {
 		printk(KERN_ERR "Kprobe smoke test failed: "
@@ -323,7 +327,9 @@ static int test_kretprobes(void)
 	int ret;
 	struct kretprobe *rps[2] = {&rp, &rp2};
 
-	rp.kp.addr = 0; /* addr should be cleard for reusing kprobe. */
+	/* addr and flags should be cleard for reusing kprobe. */
+	rp.kp.addr = NULL;
+	rp.kp.flags = 0;
 	ret = register_kretprobes(rps, 2);
 	if (ret < 0) {
 		printk(KERN_ERR "Kprobe smoke test failed: "