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Don't report back error on syscalls fail for -a -k
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
kernel.c
diff --git
a/src/bin/lttng-sessiond/kernel.c
b/src/bin/lttng-sessiond/kernel.c
index 1aad5263e0b8ae63a75c2a9b9fb0c3a3d4db5906..39006ab2f37b508107fb468a427debb7d82bb566 100644
(file)
--- a/
src/bin/lttng-sessiond/kernel.c
+++ b/
src/bin/lttng-sessiond/kernel.c
@@
-25,6
+25,7
@@
#include <common/common.h>
#include <common/kernel-ctl/kernel-ctl.h>
#include <common/common.h>
#include <common/kernel-ctl/kernel-ctl.h>
+#include <common/sessiond-comm/sessiond-comm.h>
#include "kernel.h"
#include "kern-modules.h"
#include "kernel.h"
#include "kern-modules.h"
@@
-195,7
+196,13
@@
int kernel_create_event(struct lttng_event *ev,
ret = kernctl_create_event(channel->fd, event->event);
if (ret < 0) {
ret = kernctl_create_event(channel->fd, event->event);
if (ret < 0) {
- if (errno != EEXIST) {
+ switch (errno) {
+ case EEXIST:
+ break;
+ case ENOSYS:
+ WARN("Event type not implemented");
+ break;
+ default:
PERROR("create event ioctl");
}
ret = -errno;
PERROR("create event ioctl");
}
ret = -errno;
@@
-290,8
+297,15
@@
int kernel_enable_event(struct ltt_kernel_event *event)
int ret;
ret = kernctl_enable(event->fd);
int ret;
ret = kernctl_enable(event->fd);
- if (ret < 0 && errno != EEXIST) {
- PERROR("enable kernel event");
+ if (ret < 0) {
+ switch (errno) {
+ case EEXIST:
+ ret = LTTCOMM_KERN_EVENT_EXIST;
+ break;
+ default:
+ PERROR("enable kernel event");
+ break;
+ }
goto error;
}
goto error;
}
@@
-312,8
+326,15
@@
int kernel_disable_event(struct ltt_kernel_event *event)
int ret;
ret = kernctl_disable(event->fd);
int ret;
ret = kernctl_disable(event->fd);
- if (ret < 0 && errno != EEXIST) {
- PERROR("disable kernel event");
+ if (ret < 0) {
+ switch (errno) {
+ case EEXIST:
+ ret = LTTCOMM_KERN_EVENT_EXIST;
+ break;
+ default:
+ PERROR("disable kernel event");
+ break;
+ }
goto error;
}
goto error;
}
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