diff options
| author | Stefan Agner <stefan.agner@toradex.com> | 2019-06-03 10:59:09 +0200 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2019-06-03 10:59:09 +0200 |
| commit | 2115c1bc6e396d5ffe9ecbe394d1c50a6e25c404 (patch) | |
| tree | 20fff445991414f23c0a29237940b75cd756de86 /kernel/trace | |
| parent | b794ea49ba3816c0d5cf05506964a8e69ce4efa3 (diff) | |
| parent | 3f7c1cab1a61108821cf47dda8a32ed25cc3588b (diff) | |
Merge tag 'v5.0.19' into toradex_5.0.ytoradex_5.0.y
This is the 5.0.19 stable release
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace_events.c | 3 | ||||
| -rw-r--r-- | kernel/trace/trace_probe.c | 13 |
2 files changed, 7 insertions, 9 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 5b3b0c3c8a47..d910e36c34b5 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1318,9 +1318,6 @@ event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos) char buf[32]; int len; - if (*ppos) - return 0; - if (unlikely(!id)) return -ENODEV; diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c index 9962cb5da8ac..44f078cda0ac 100644 --- a/kernel/trace/trace_probe.c +++ b/kernel/trace/trace_probe.c @@ -405,13 +405,14 @@ static int traceprobe_parse_probe_arg_body(char *arg, ssize_t *size, return -E2BIG; } } - /* - * The default type of $comm should be "string", and it can't be - * dereferenced. - */ - if (!t && strcmp(arg, "$comm") == 0) + + /* Since $comm can not be dereferred, we can find $comm by strcmp */ + if (strcmp(arg, "$comm") == 0) { + /* The type of $comm must be "string", and not an array. */ + if (parg->count || (t && strcmp(t, "string"))) + return -EINVAL; parg->type = find_fetch_type("string"); - else + } else parg->type = find_fetch_type(t); if (!parg->type) { pr_info("Unsupported type: %s\n", t); |