aboutsummaryrefslogtreecommitdiff
path: root/drivers/infiniband/core
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/core')
-rw-r--r--drivers/infiniband/core/uverbs.h2
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c25
-rw-r--r--drivers/infiniband/core/uverbs_main.c24
3 files changed, 25 insertions, 26 deletions
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index e54d9ac6d1c..a078e5624d2 100644
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -146,7 +146,7 @@ extern struct idr ib_uverbs_srq_idr;
void idr_remove_uobj(struct idr *idp, struct ib_uobject *uobj);
struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file,
- int is_async, int *fd);
+ int is_async);
struct ib_uverbs_event_file *ib_uverbs_lookup_comp_file(int fd);
void ib_uverbs_release_ucq(struct ib_uverbs_file *file,
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 112d3970222..f71cf138d67 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -301,10 +301,15 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file,
resp.num_comp_vectors = file->device->num_comp_vectors;
- filp = ib_uverbs_alloc_event_file(file, 1, &resp.async_fd);
+ ret = get_unused_fd();
+ if (ret < 0)
+ goto err_free;
+ resp.async_fd = ret;
+
+ filp = ib_uverbs_alloc_event_file(file, 1);
if (IS_ERR(filp)) {
ret = PTR_ERR(filp);
- goto err_free;
+ goto err_fd;
}
if (copy_to_user((void __user *) (unsigned long) cmd.response,
@@ -332,9 +337,11 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file,
return in_len;
err_file:
- put_unused_fd(resp.async_fd);
fput(filp);
+err_fd:
+ put_unused_fd(resp.async_fd);
+
err_free:
ibdev->dealloc_ucontext(ucontext);
@@ -715,6 +722,7 @@ ssize_t ib_uverbs_create_comp_channel(struct ib_uverbs_file *file,
struct ib_uverbs_create_comp_channel cmd;
struct ib_uverbs_create_comp_channel_resp resp;
struct file *filp;
+ int ret;
if (out_len < sizeof resp)
return -ENOSPC;
@@ -722,9 +730,16 @@ ssize_t ib_uverbs_create_comp_channel(struct ib_uverbs_file *file,
if (copy_from_user(&cmd, buf, sizeof cmd))
return -EFAULT;
- filp = ib_uverbs_alloc_event_file(file, 0, &resp.fd);
- if (IS_ERR(filp))
+ ret = get_unused_fd();
+ if (ret < 0)
+ return ret;
+ resp.fd = ret;
+
+ filp = ib_uverbs_alloc_event_file(file, 0);
+ if (IS_ERR(filp)) {
+ put_unused_fd(resp.fd);
return PTR_ERR(filp);
+ }
if (copy_to_user((void __user *) (unsigned long) cmd.response,
&resp, sizeof resp)) {
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index ff59a795e84..4fa2e651644 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -484,11 +484,10 @@ void ib_uverbs_event_handler(struct ib_event_handler *handler,
}
struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file,
- int is_async, int *fd)
+ int is_async)
{
struct ib_uverbs_event_file *ev_file;
struct file *filp;
- int ret;
ev_file = kmalloc(sizeof *ev_file, GFP_KERNEL);
if (!ev_file)
@@ -503,27 +502,12 @@ struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file,
ev_file->is_async = is_async;
ev_file->is_closed = 0;
- *fd = get_unused_fd();
- if (*fd < 0) {
- ret = *fd;
- goto err;
- }
-
- filp = anon_inode_getfile("[uverbs-event]", &uverbs_event_fops,
+ filp = anon_inode_getfile("[infinibandevent]", &uverbs_event_fops,
ev_file, O_RDONLY);
- if (!filp) {
- ret = -ENFILE;
- goto err_fd;
- }
+ if (IS_ERR(filp))
+ kfree(ev_file);
return filp;
-
-err_fd:
- put_unused_fd(*fd);
-
-err:
- kfree(ev_file);
- return ERR_PTR(ret);
}
/*