[patch 1/1] mca/mca-proc: Audit return code of create_proc_*

[domen@coderock.org]

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From: Christophe Lucas <clucas@rotomalug.org>


---
 mca-proc.c |   13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)

Index: quilt/drivers/mca/mca-proc.c
===================================================================
--- quilt.orig/drivers/mca/mca-proc.c
+++ quilt/drivers/mca/mca-proc.c
@@ -184,8 +184,14 @@ void __init mca_do_proc_init(void)
 	struct mca_device *mca_dev;
 
 	proc_mca = proc_mkdir("mca", &proc_root);
-	create_proc_read_entry("pos",0,proc_mca,get_mca_info,NULL);
-	create_proc_read_entry("machine",0,proc_mca,get_mca_machine_info,NULL);
+	node = create_proc_read_entry("pos",0,proc_mca,get_mca_info,NULL);
+	if (!node)
+		printk(KERN_WARNING "MCA: Unable to create mca /proc entry.\n");
+	node = create_proc_read_entry("machine",0,proc_mca,
+		get_mca_machine_info,NULL);
+	if (!node)
+		printk(KERN_WARNING 
+			"MCA: Unable to create machine /proc entry.\n");
 
 	/* Initialize /proc/mca entries for existing adapters */
 
@@ -211,7 +217,8 @@ void __init mca_do_proc_init(void)
 					      mca_read_proc, (void *)mca_dev);
 
 		if(node == NULL) {
-			printk("Failed to allocate memory for MCA proc-entries!");
+			printk(KERN_WARNING 
+				"Failed to allocate memory for MCA proc-entries!");
 			return;
 		}
 	}

--