Enforce consistent style

Execute "make indent" before submitting patches.

Makefile

@@ -12,6 +12,9 @@ html: lkmpg.tex html.cfg
 	ln -sf lkmpg.html html/index.html
 	rm -f  lkmpg.xref lkmpg.tmp lkmpg.html lkmpg.css lkmpg.4ct lkmpg.4tc lkmpg.dvi lkmpg.lg lkmpg.idv lkmpg*.svg lkmpg.log lkmpg.aux 
 
+indent:
+	(cd examples; find . -name '*.[ch]' | xargs clang-format -i)
+
 clean:
 	rm -f *.dvi *.aux *.log *.ps *.pdf *.out lkmpg.bbl lkmpg.blg lkmpg.lof lkmpg.toc
 	rm -rf _minted-lkmpg

examples/procfs1.c

@@ -27,10 +27,9 @@ ssize_t procfile_read(struct file *filePointer,
     ssize_t ret = len;
 
     if (*offset >= len || copy_to_user(buffer, s, len)) {
-	    pr_info("copy_to_user failed\n");
-	    ret = 0;
-    }
-    else {
+        pr_info("copy_to_user failed\n");
+        ret = 0;
+    } else {
         pr_info("procfile read %s\n", filePointer->f_path.dentry->d_name.name);
         *offset += len;
     }

examples/procfs2.c

@@ -47,10 +47,9 @@ ssize_t procfile_read(struct file *filePointer,
     ssize_t ret = len;
 
     if (*offset >= len || copy_to_user(buffer, s, len)) {
-	    pr_info("copy_to_user failed\n");
-	    ret = 0;
-    }
-    else {
+        pr_info("copy_to_user failed\n");
+        ret = 0;
+    } else {
         pr_info("procfile read %s\n", filePointer->f_path.dentry->d_name.name);
         *offset += len;
     }