[PATCH] cciss.c: audit return code of create_proc_read_entry()

From: Christophe Lucas <clucas@rotomalug.org>

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

Index: linux-kj/drivers/block/cciss.c
===================================================================
--- linux-kj.orig/drivers/block/cciss.c	2005-12-05 13:19:48.000000000 +0300
+++ linux-kj/drivers/block/cciss.c	2005-12-05 13:19:56.000000000 +0300
@@ -364,7 +364,10 @@ static void __devinit cciss_procinit(int
 	pde = create_proc_read_entry(hba[i]->devname, 
 		S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH, 
 		proc_cciss, cciss_proc_get_info, hba[i]);
-	pde->write_proc = cciss_proc_write;
+	if (!pde)
+		printk(KERN_WARNING "cciss: unable to create /proc entry\n");
+	else
+		pde->write_proc = cciss_proc_write;
 }
 #endif /* CONFIG_PROC_FS */