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| author | Ingo Molnar <mingo@kernel.org> | 2019-06-24 19:25:52 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-06-24 19:25:52 +0200 |
| commit | b9271f0c65e12efd9b6319f57a378aac1be98b22 (patch) | |
| tree | 923cd44cd4e1568d3abf2b8d69b4a4712e01f8ef /kernel/trace/trace_uprobe.c | |
| parent | Merge tag 'perf-core-for-mingo-5.3-20190621' of git://git.kernel.org/pub/scm/... (diff) | |
| parent | Linux 5.2-rc6 (diff) | |
| download | linux-b9271f0c65e12efd9b6319f57a378aac1be98b22.tar.xz linux-b9271f0c65e12efd9b6319f57a378aac1be98b22.zip | |
Merge tag 'v5.2-rc6' into perf/core, to refresh branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace/trace_uprobe.c')
| -rw-r--r-- | kernel/trace/trace_uprobe.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 0d60d6856de5..7860e3f59fad 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -426,8 +426,6 @@ end: /* * Argument syntax: * - Add uprobe: p|r[:[GRP/]EVENT] PATH:OFFSET [FETCHARGS] - * - * - Remove uprobe: -:[GRP/]EVENT */ static int trace_uprobe_create(int argc, const char **argv) { @@ -443,10 +441,17 @@ static int trace_uprobe_create(int argc, const char **argv) ret = 0; ref_ctr_offset = 0; - /* argc must be >= 1 */ - if (argv[0][0] == 'r') + switch (argv[0][0]) { + case 'r': is_return = true; - else if (argv[0][0] != 'p' || argc < 2) + break; + case 'p': + break; + default: + return -ECANCELED; + } + + if (argc < 2) return -ECANCELED; if (argv[0][1] == ':') |