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authorLaura Abbott <lauraa@codeaurora.org>2011-12-05 15:32:36 -0800
committerColin Cross <ccross@android.com>2014-03-19 13:10:53 -0700
commite1c123a7d97f75435412f1674941403f8d143291 (patch)
treec3e43fe5d140be81e6bd0da87128e7fca58e482d
parent781bda423912379b4e0c18c9ef2847817ee4f699 (diff)
gpu: ion: Fix debugfs handling of multiple kernel clients
Currently, Ion registers all debugfs entries for clients via pid. If there are multiple kernel clients, this means the debugfs entry only gets created for the first one. Fix this by creating debugfs entries by name always. When creating user clients, specify the name via the pid. Change-Id: I00cbb284d1c53b3362bb7be9c0275620a9fac167 Signed-off-by: Laura Abbott <lauraa@codeaurora.org> Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
-rw-r--r--drivers/staging/android/ion/ion.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index df1507cbd114..684f240d4362 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -718,7 +718,6 @@ struct ion_client *ion_client_create(struct ion_device *dev,
struct rb_node **p;
struct rb_node *parent = NULL;
struct ion_client *entry;
- char debug_name[64];
pid_t pid;
get_task_struct(current->group_leader);
@@ -763,15 +762,14 @@ struct ion_client *ion_client_create(struct ion_device *dev,
rb_link_node(&client->node, parent, p);
rb_insert_color(&client->node, &dev->clients);
- snprintf(debug_name, 64, "%u", client->pid);
- client->debug_root = debugfs_create_file(debug_name, 0664,
+ client->debug_root = debugfs_create_file(name, 0664,
dev->clients_debug_root,
client, &debug_client_fops);
if (!client->debug_root) {
char buf[256], *path;
path = dentry_path(dev->clients_debug_root, buf, 256);
pr_err("Failed to create client debugfs at %s/%s\n",
- path, debug_name);
+ path, name);
}
up_write(&dev->lock);
@@ -1302,9 +1300,11 @@ static int ion_open(struct inode *inode, struct file *file)
struct miscdevice *miscdev = file->private_data;
struct ion_device *dev = container_of(miscdev, struct ion_device, dev);
struct ion_client *client;
+ char debug_name[64];
pr_debug("%s: %d\n", __func__, __LINE__);
- client = ion_client_create(dev, "user");
+ snprintf(debug_name, 64, "%u", task_pid_nr(current->group_leader));
+ client = ion_client_create(dev, debug_name);
if (IS_ERR(client))
return PTR_ERR(client);
file->private_data = client;