Commit 88b428d6 authored by Al Viro's avatar Al Viro
Browse files

switch infinibarf users of fget() to fget_light() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 1d3653a7

drivers/infiniband/core/ucma.c

+3 −3
Original line number Diff line number Diff line
@@ -1186,13 +1186,13 @@ static ssize_t ucma_migrate_id(struct ucma_file *new_file, 
	struct ucma_context *ctx;

	struct file *filp;

	struct ucma_file *cur_file;

	int ret = 0;

	int ret = 0, fput_needed;



	if (copy_from_user(&cmd, inbuf, sizeof(cmd)))

		return -EFAULT;



	/* Get current fd to protect against it being closed */

	filp = fget(cmd.fd);

	filp = fget_light(cmd.fd, &fput_needed);

	if (!filp)

		return -ENOENT;
@@ -1231,7 +1231,7 @@ static ssize_t ucma_migrate_id(struct ucma_file *new_file, 


	ucma_put_ctx(ctx);

file_put:

	fput(filp);

	fput_light(filp, fput_needed);

	return ret;

}

drivers/infiniband/core/uverbs_cmd.c

+4 −9
Original line number Diff line number Diff line
@@ -707,7 +707,7 @@ ssize_t ib_uverbs_open_xrcd(struct ib_uverbs_file *file, 
	struct ib_xrcd                 *xrcd = NULL;

	struct file                    *f = NULL;

	struct inode                   *inode = NULL;

	int				ret = 0;

	int				ret = 0, fput_needed;

	int				new_xrcd = 0;



	if (out_len < sizeof resp)
@@ -724,18 +724,13 @@ ssize_t ib_uverbs_open_xrcd(struct ib_uverbs_file *file, 


	if (cmd.fd != -1) {

		/* search for file descriptor */

		f = fget(cmd.fd);

		f = fget_light(cmd.fd, &fput_needed);

		if (!f) {

			ret = -EBADF;

			goto err_tree_mutex_unlock;

		}



		inode = f->f_dentry->d_inode;

		if (!inode) {

			ret = -EBADF;

			goto err_tree_mutex_unlock;

		}



		xrcd = find_xrcd(file->device, inode);

		if (!xrcd && !(cmd.oflags & O_CREAT)) {

			/* no file descriptor. Need CREATE flag */
@@ -801,7 +796,7 @@ ssize_t ib_uverbs_open_xrcd(struct ib_uverbs_file *file, 
	}



	if (f)

		fput(f);

		fput_light(f, fput_needed);



	mutex_lock(&file->mutex);

	list_add_tail(&obj->uobject.list, &file->ucontext->xrcd_list);
@@ -831,7 +826,7 @@ ssize_t ib_uverbs_open_xrcd(struct ib_uverbs_file *file, 


err_tree_mutex_unlock:

	if (f)

		fput(f);

		fput_light(f, fput_needed);



	mutex_unlock(&file->device->xrcd_tree_mutex);

drivers/infiniband/core/uverbs_main.c

+3 −2
Original line number Diff line number Diff line
@@ -542,8 +542,9 @@ struct ib_uverbs_event_file *ib_uverbs_lookup_comp_file(int fd) 
{

	struct ib_uverbs_event_file *ev_file = NULL;

	struct file *filp;

	int fput_needed;



	filp = fget(fd);

	filp = fget_light(fd, &fput_needed);

	if (!filp)

		return NULL;
@@ -559,7 +560,7 @@ struct ib_uverbs_event_file *ib_uverbs_lookup_comp_file(int fd) 
	kref_get(&ev_file->ref);



out:

	fput(filp);

	fput_light(filp, fput_needed);

	return ev_file;

}