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authorAl Viro <viro@zeniv.linux.org.uk>2014-09-03 13:32:19 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-10-09 02:39:14 -0400
commit1bb27cacf4992b77556ed4487f99c76c4af3b43d (patch)
treeb6212f03c69417d1d63ed47ecac70510fd272301 /drivers/usb
parent9bb8730ed3d2658c6dd49b7f811231e2a0a2e3ed (diff)
f_fs: saner API for ffs_sb_create_file()
make it return dentry instead of inode Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/function/f_fs.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 0dc3552d1360..4726e278e557 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -164,10 +164,9 @@ struct ffs_desc_helper {
static int __must_check ffs_epfiles_create(struct ffs_data *ffs);
static void ffs_epfiles_destroy(struct ffs_epfile *epfiles, unsigned count);
-static struct inode *__must_check
+static struct dentry *
ffs_sb_create_file(struct super_block *sb, const char *name, void *data,
- const struct file_operations *fops,
- struct dentry **dentry_p);
+ const struct file_operations *fops);
/* Devices management *******************************************************/
@@ -1096,10 +1095,9 @@ ffs_sb_make_inode(struct super_block *sb, void *data,
}
/* Create "regular" file */
-static struct inode *ffs_sb_create_file(struct super_block *sb,
+static struct dentry *ffs_sb_create_file(struct super_block *sb,
const char *name, void *data,
- const struct file_operations *fops,
- struct dentry **dentry_p)
+ const struct file_operations *fops)
{
struct ffs_data *ffs = sb->s_fs_info;
struct dentry *dentry;
@@ -1118,10 +1116,7 @@ static struct inode *ffs_sb_create_file(struct super_block *sb,
}
d_add(dentry, inode);
- if (dentry_p)
- *dentry_p = dentry;
-
- return inode;
+ return dentry;
}
/* Super block */
@@ -1166,7 +1161,7 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent)
/* EP0 file */
if (unlikely(!ffs_sb_create_file(sb, "ep0", ffs,
- &ffs_ep0_operations, NULL)))
+ &ffs_ep0_operations)))
return -ENOMEM;
return 0;
@@ -1535,9 +1530,10 @@ static int ffs_epfiles_create(struct ffs_data *ffs)
mutex_init(&epfile->mutex);
init_waitqueue_head(&epfile->wait);
sprintf(epfiles->name, "ep%u", i);
- if (!unlikely(ffs_sb_create_file(ffs->sb, epfiles->name, epfile,
- &ffs_epfile_operations,
- &epfile->dentry))) {
+ epfile->dentry = ffs_sb_create_file(ffs->sb, epfiles->name,
+ epfile,
+ &ffs_epfile_operations);
+ if (unlikely(!epfile->dentry)) {
ffs_epfiles_destroy(epfiles, i - 1);
return -ENOMEM;
}