file_inode(f)->i_mapping is f->f_mapping

[cascardo/linux.git] / fs / char_dev.c

diff --git a/fs/char_dev.c b/fs/char_dev.c
index 24b1425..687471d 100644 (file)
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -91,6 +91,10 @@ __register_chrdev_region(unsigned int major, unsigned int baseminor,
                                break;
                }
 
+               if (i < CHRDEV_MAJOR_DYN_END)
+                       pr_warn("CHRDEV \"%s\" major number %d goes below the dynamic allocation range",
+                               name, i);
+
                if (i == 0) {
                        ret = -EBUSY;
                        goto out;