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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2010-10-14 12:10:24 +0900
committerIngo Molnar <mingo@elte.hu>2010-10-14 08:55:27 +0200
commitfd02e6f7ae085840d43d780149fcf95a614eca5e (patch)
tree447aad5f52452d17145c75dfe9e900ba7b457466 /kernel/test_kprobes.c
parent0f55a2f3d496133dd22f1e4e49fb7301da87c7bb (diff)
downloadlinux-sh-fd02e6f7ae085840d43d780149fcf95a614eca5e.tar.gz
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>
Diffstat (limited to 'kernel/test_kprobes.c')
-rw-r--r--kernel/test_kprobes.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/kernel/test_kprobes.c b/kernel/test_kprobes.c
index 4f104515a19b..f8b11a283171 100644
--- a/kernel/test_kprobes.c
+++ b/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: "