ovl: Use PTR_ERR_OR_ZERO()

Fix ptr_ret.cocci warnings:
fs/overlayfs/overlayfs.h:179:11-17: WARNING: PTR_ERR_OR_ZERO can be used

Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index 13eab09..b489099 100644 (file)
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -180,7 +180,7 @@ static inline int ovl_do_whiteout(struct inode *dir, struct dentry *dentry)
 static inline struct dentry *ovl_do_tmpfile(struct dentry *dentry, umode_t mode)
 {
        struct dentry *ret = vfs_tmpfile(dentry, mode, 0);
-       int err = IS_ERR(ret) ? PTR_ERR(ret) : 0;
+       int err = PTR_ERR_OR_ZERO(ret);
 
        pr_debug("tmpfile(%pd2, 0%o) = %i\n", dentry, mode, err);
        return ret;