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| author | David Smith <dsmith@redhat.com> | 2008-07-01 15:16:52 -0500 |
|---|---|---|
| committer | David Smith <dsmith@redhat.com> | 2008-07-01 15:16:52 -0500 |
| commit | b77e6d1fc44f553e8d3ee7ec3b7e6076ad86fed6 (patch) | |
| tree | 50b5f946c20bdf6f9cba6f9dd3500431a59f93b7 /runtime/task_finder.c | |
| parent | c0e526f077ee8cf6b1d62e02822b722d946d2648 (diff) | |
| download | systemtap-steved-b77e6d1fc44f553e8d3ee7ec3b7e6076ad86fed6.tar.gz systemtap-steved-b77e6d1fc44f553e8d3ee7ec3b7e6076ad86fed6.tar.xz systemtap-steved-b77e6d1fc44f553e8d3ee7ec3b7e6076ad86fed6.zip | |
Fixed __stp_get_mm_path() error return code.
2008-07-01 David Smith <dsmith@redhat.com>
* task_finder.c (__stp_get_mm_path): Corrected error return code.
(__stp_utrace_attach_match_tsk): Ignores ENOENT error from
__stp_get_mm_path().
(stap_start_task_finder): Ditto.
Diffstat (limited to 'runtime/task_finder.c')
| -rw-r--r-- | runtime/task_finder.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/runtime/task_finder.c b/runtime/task_finder.c index 021144dc..316a9bc0 100644 --- a/runtime/task_finder.c +++ b/runtime/task_finder.c @@ -249,7 +249,7 @@ __stp_get_mm_path(struct mm_struct *mm, char *buf, int buflen) } else { *buf = '\0'; - rc = ERR_PTR(ENOENT); + rc = ERR_PTR(-ENOENT); } up_read(&mm->mmap_sem); return rc; @@ -428,8 +428,9 @@ __stp_utrace_attach_match_tsk(struct task_struct *path_tsk, mmput(mm); /* We're done with mm */ if (mmpath == NULL || IS_ERR(mmpath)) { int rc = -PTR_ERR(mmpath); - _stp_error("Unable to get path (error %d) for pid %d", - rc, (int)path_tsk->pid); + if (rc != ENOENT) + _stp_error("Unable to get path (error %d) for pid %d", + rc, (int)path_tsk->pid); } else { __stp_utrace_attach_match_filename(match_tsk, mmpath, @@ -952,9 +953,14 @@ stap_start_task_finder(void) mmput(mm); /* We're done with mm */ if (mmpath == NULL || IS_ERR(mmpath)) { rc = -PTR_ERR(mmpath); - _stp_error("Unable to get path (error %d) for pid %d", - rc, (int)tsk->pid); - goto stf_err; + if (rc == ENOENT) { + continue; + } + else { + _stp_error("Unable to get path (error %d) for pid %d", + rc, (int)tsk->pid); + goto stf_err; + } } /* Check the thread's exe's path/pid against our list. */ |