[patch 1/2] block/cpqarray: Audit return code of create_proc_*

[patch 1/2] block/cpqarray: Audit return code of create_proc_*

[domen]

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From: Christophe Lucas <clucas@rotomalug.org>


Audit return of create_proc_* functions.

Signed-off-by: Christophe Lucas <clucas@rotomalug.org>
Signed-off-by: Domen Puncer <domen@coderock.org>
---
 cpqarray.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletion(-)

Index: quilt/drivers/block/cpqarray.c
===================================================================
--- quilt.orig/drivers/block/cpqarray.c
+++ quilt/drivers/block/cpqarray.c
@@ -212,13 +212,18 @@ static struct proc_dir_entry *proc_array
  */
 static void __init ida_procinit(int i)
 {
+	struct proc_dir_entry *ent;
+
 	if (proc_array == NULL) {
 		proc_array = proc_mkdir("cpqarray", proc_root_driver);
 		if (!proc_array) return;
 	}
 
-	create_proc_read_entry(hba[i]->devname, 0, proc_array,
+	ent = create_proc_read_entry(hba[i]->devname, 0, proc_array,
 			       ida_proc_get_info, hba[i]);
+	if (!ent)
+		printk(KERN_WARNING 
+			"cpqarray: Unable to create /proc entry.\n");
 }
 
 /*

--