fix: Add a 1MB limit to lttng_strlen_user_inatomic

[lttng-modules.git] / src / probes / lttng-uprobes.c

diff --git a/src/probes/lttng-uprobes.c b/src/probes/lttng-uprobes.c
index c0f6e7c31c2a81c749735de4094637a75294b757..435ff5aca0f125bec9846b67c0b211a3b8431ab5 100644 (file)
--- a/src/probes/lttng-uprobes.c
+++ b/src/probes/lttng-uprobes.c
@@ -40,11 +40,11 @@ int lttng_uprobes_handler_pre(struct uprobe_consumer *uc, struct pt_regs *regs)
                unsigned long ip;
        } payload;
 
-       if (unlikely(!READ_ONCE(chan->session->active)))
+       if (unlikely(!LTTNG_READ_ONCE(chan->session->active)))
                return 0;
-       if (unlikely(!READ_ONCE(chan->enabled)))
+       if (unlikely(!LTTNG_READ_ONCE(chan->enabled)))
                return 0;
-       if (unlikely(!READ_ONCE(event->enabled)))
+       if (unlikely(!LTTNG_READ_ONCE(event->enabled)))
                return 0;
 
        lib_ring_buffer_ctx_init(&ctx, chan->chan, &lttng_probe_ctx,
@@ -128,7 +128,7 @@ static struct inode *get_inode_from_fd(int fd)
         */
        file = fcheck(fd);
        if (file == NULL) {
-               printk(KERN_WARNING "Cannot access file backing the fd(%d)\n", fd);
+               printk(KERN_WARNING "LTTng: Cannot access file backing the fd(%d)\n", fd);
                inode = NULL;
                goto error;
        }
@@ -136,7 +136,7 @@ static struct inode *get_inode_from_fd(int fd)
        /* Grab a reference on the inode. */
        inode = igrab(file->f_path.dentry->d_inode);
        if (inode == NULL)
-               printk(KERN_WARNING "Cannot grab a reference on the inode.\n");
+               printk(KERN_WARNING "LTTng: Cannot grab a reference on the inode.\n");
 error:
        rcu_read_unlock();
        return inode;
@@ -155,7 +155,7 @@ int lttng_uprobes_add_callsite(struct lttng_event *event,
 
        uprobe_handler = kzalloc(sizeof(struct lttng_uprobe_handler), GFP_KERNEL);
        if (!uprobe_handler) {
-               printk(KERN_WARNING "Error allocating uprobe_uprobe_handlers");
+               printk(KERN_WARNING "LTTng: Error allocating uprobe_handler");
                ret = -ENOMEM;
                goto end;
        }
@@ -174,7 +174,7 @@ int lttng_uprobes_add_callsite(struct lttng_event *event,
        ret = wrapper_uprobe_register(event->u.uprobe.inode,
                      uprobe_handler->offset, &uprobe_handler->up_consumer);
        if (ret) {
-               printk(KERN_WARNING "Error registering probe on inode %lu "
+               printk(KERN_WARNING "LTTng: Error registering probe on inode %lu "
                       "and offset 0x%llx\n", event->u.uprobe.inode->i_ino,
                       uprobe_handler->offset);
                ret = -1;
@@ -203,7 +203,7 @@ int lttng_uprobes_register(const char *name, int fd, struct lttng_event *event)
 
        inode = get_inode_from_fd(fd);
        if (!inode) {
-               printk(KERN_WARNING "Cannot get inode from fd\n");
+               printk(KERN_WARNING "LTTng: Cannot get inode from fd\n");
                ret = -EBADF;
                goto inode_error;
        }