X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=sidebyside;f=ltt-debugfs-abi.c;h=9043759f960102c443196f4e9567680cd8371f05;hb=3afe7aaccff5c7d2889267ab64eac46ce72ac799;hp=7fb7339205d5c99ff413d081ec50549606a526c6;hpb=1c25284c690cd38b71789c4024089d28de21caea;p=lttng-modules.git diff --git a/ltt-debugfs-abi.c b/ltt-debugfs-abi.c index 7fb73392..9043759f 100644 --- a/ltt-debugfs-abi.c +++ b/ltt-debugfs-abi.c @@ -141,14 +141,14 @@ int lttng_abi_create_channel(struct file *session_file, chan_param.switch_timer_interval, chan_param.read_timer_interval); if (!chan) { - ret = -ENOMEM; + ret = -EINVAL; goto chan_error; } chan->file = chan_file; chan_file->private_data = chan; fd_install(chan_fd, chan_file); /* The channel created holds a reference on the session */ - atomic_inc(&session_file->f_count); + atomic_long_inc(&session_file->f_count); return chan_fd; @@ -202,7 +202,9 @@ static int lttng_session_release(struct inode *inode, struct file *file) { struct ltt_session *session = file->private_data; - ltt_session_destroy(session); + + if (session) + ltt_session_destroy(session); return 0; } @@ -240,7 +242,7 @@ int lttng_abi_open_stream(struct file *channel_file) } fd_install(stream_fd, stream_file); /* The stream holds a reference on the channel */ - atomic_inc(&channel_file->f_count); + atomic_long_inc(&channel_file->f_count); return stream_fd; file_error: @@ -266,7 +268,7 @@ int lttng_abi_create_event(struct file *channel_file, event_name = kmalloc(PATH_MAX, GFP_KERNEL); if (!event_name) return -ENOMEM; - if (strncpy_from_user(event_name, uevent_param->name, PATH_MAX)) { + if (strncpy_from_user(event_name, uevent_param->name, PATH_MAX) < 0) { ret = -EFAULT; goto name_error; } @@ -288,7 +290,7 @@ int lttng_abi_create_event(struct file *channel_file, * invariant for the rest of the session. */ event = ltt_event_create(channel, event_name, event_param.itype, - NULL, NULL); /* TODO non-null probe */ + (void *) 0x1, NULL); /* TODO connect real probe */ if (!event) { goto event_error; ret = -EEXIST; @@ -296,7 +298,7 @@ int lttng_abi_create_event(struct file *channel_file, event_file->private_data = event; fd_install(event_fd, event_file); /* The event holds a reference on the channel */ - atomic_inc(&channel_file->f_count); + atomic_long_inc(&channel_file->f_count); kfree(event_name); return event_fd; @@ -372,7 +374,9 @@ static int lttng_channel_release(struct inode *inode, struct file *file) { struct ltt_channel *channel = file->private_data; - fput(channel->session->file); + + if (channel) + fput(channel->session->file); return 0; } @@ -392,7 +396,9 @@ static int lttng_event_release(struct inode *inode, struct file *file) { struct ltt_event *event = file->private_data; - fput(event->chan->file); + + if (event) + fput(event->chan->file); return 0; } @@ -406,7 +412,7 @@ int __init ltt_debugfs_abi_init(void) int ret = 0; lttng_dentry = debugfs_create_file("lttng", S_IWUSR, NULL, NULL, - <tng_session_fops); + <tng_fops); if (IS_ERR(lttng_dentry) || !lttng_dentry) { printk(KERN_ERR "Error creating LTTng control file\n"); ret = -ENOMEM;