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| author | Vyacheslav Cherkashin <v.cherkashin@samsung.com> | 2015-09-24 21:17:04 +0300 |
|---|---|---|
| committer | Vyacheslav Cherkashin <v.cherkashin@samsung.com> | 2015-09-24 21:17:04 +0300 |
| commit | 87489e87a4abad57558ff3e7ab775dc264348342 (patch) | |
| tree | f64f61abcc7006ec94eba843df9ef78c4e8f404d | |
| parent | 20a3b5b04a477cd9b3bba921520e734562012a68 (diff) | |
| download | swap-modules-87489e87a4abad57558ff3e7ab775dc264348342.tar.gz swap-modules-87489e87a4abad57558ff3e7ab775dc264348342.tar.bz2 swap-modules-87489e87a4abad57558ff3e7ab775dc264348342.zip | |
[FIX] check return of set_kjump_cb() for error
Correctly process set_kjump_cb() errors.
Change-Id: I8d486e2e62f61cdd94d4aebe0eadaa9a20eabc78
Signed-off-by: Vyacheslav Cherkashin <v.cherkashin@samsung.com>
| -rw-r--r-- | us_manager/helper.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/us_manager/helper.c b/us_manager/helper.c index 449a1074..16fd5840 100644 --- a/us_manager/helper.c +++ b/us_manager/helper.c @@ -153,8 +153,8 @@ static unsigned long cb_check_and_install(void *data); static int ctx_task_pre_handler(struct kprobe *p, struct pt_regs *regs) { + int ret; struct sspt_proc *proc; - unsigned long page_addr; struct task_struct *task = current; if (is_kthread(task) || check_task_on_filters(task) == 0) @@ -164,9 +164,11 @@ static int ctx_task_pre_handler(struct kprobe *p, struct pt_regs *regs) if (proc && proc->first_install) return 0; - page_addr = 0; + ret = set_kjump_cb(regs, cb_check_and_install, NULL, 0); + if (ret < 0) + pr_err("ctx_task_pre_handler: ret=%d\n", ret); - return set_kjump_cb(regs, cb_check_and_install, NULL, 0); + return 0; } static struct kprobe ctx_task_kprobe = { |