X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=probes%2Flttng-kprobes.c;h=65c1d3ba80ecf30eedbe8ccf1402c81ab4864998;hb=64c796d8aec1efa5d6f0d5850d2a0095cb7842e3;hp=daef3600feefd580bb0db79357d09428f8eb21eb;hpb=16a9a591f233adc076cc59462f37bd697d952604;p=lttng-modules.git diff --git a/probes/lttng-kprobes.c b/probes/lttng-kprobes.c index daef3600..65c1d3ba 100644 --- a/probes/lttng-kprobes.c +++ b/probes/lttng-kprobes.c @@ -29,7 +29,7 @@ int lttng_kprobes_handler_pre(struct kprobe *p, struct pt_regs *regs) return 0; lib_ring_buffer_ctx_init(&ctx, chan->chan, NULL, sizeof(data), ltt_alignof(data), -1); - ret = chan->ops->event_reserve(&ctx); + ret = chan->ops->event_reserve(&ctx, event->id); if (ret < 0) return 0; lib_ring_buffer_align_ctx(&ctx, ltt_alignof(data)); @@ -59,10 +59,14 @@ int lttng_create_kprobe_event(const char *name, struct ltt_event *event) desc->nr_fields = 1; desc->fields = field = kzalloc(1 * sizeof(struct lttng_event_field), GFP_KERNEL); + if (!field) { + ret = -ENOMEM; + goto error_field; + } field->name = "ip"; field->type.atype = atype_integer; - field->type.u.basic.integer.size = sizeof(unsigned long); - field->type.u.basic.integer.alignment = ltt_alignof(unsigned long); + field->type.u.basic.integer.size = sizeof(unsigned long) * CHAR_BIT; + field->type.u.basic.integer.alignment = ltt_alignof(unsigned long) * CHAR_BIT; field->type.u.basic.integer.signedness = 0; field->type.u.basic.integer.reverse_byte_order = 0; field->type.u.basic.integer.base = 16; @@ -71,6 +75,8 @@ int lttng_create_kprobe_event(const char *name, struct ltt_event *event) return 0; +error_field: + kfree(desc->name); error_str: kfree(desc); return ret; @@ -118,6 +124,7 @@ int lttng_kprobes_register(const char *name, register_error: kfree(event->u.kprobe.symbol_name); name_error: + kfree(event->desc->fields); kfree(event->desc->name); kfree(event->desc); error: @@ -129,6 +136,7 @@ void lttng_kprobes_unregister(struct ltt_event *event) { unregister_kprobe(&event->u.kprobe.kp); kfree(event->u.kprobe.symbol_name); + kfree(event->desc->fields); kfree(event->desc->name); kfree(event->desc); }