[patch 1/1] arm/kernel: Audit return code of create_proc_*

[domen]

From: Christophe Lucas <clucas@xxxxxxxxxxxxx>


---
 apm.c   |    5 ++++-
 ecard.c |   14 ++++++++++++--
 2 files changed, 16 insertions(+), 3 deletions(-)

Index: quilt/arch/arm/kernel/apm.c
===================================================================
--- quilt.orig/arch/arm/kernel/apm.c
+++ quilt/arch/arm/kernel/apm.c
@@ -514,6 +514,7 @@ static int kapmd(void *arg)
 
 static int __init apm_init(void)
 {
+	struct proc_dir_entry *proc_entry;
 	int ret;
 
 	if (apm_disabled) {
@@ -535,7 +536,9 @@ static int __init apm_init(void)
 	}
 
 #ifdef CONFIG_PROC_FS
-	create_proc_info_entry("apm", 0, NULL, apm_get_info);
+	proc_entry = create_proc_info_entry("apm", 0, NULL, apm_get_info);
+	if (proc_entry == NULL)
+		printk(KERN_WARNING "apm: Unable to create apm proc entry.\n");
 #endif
 
 	ret = misc_register(&apm_device);
Index: quilt/arch/arm/kernel/ecard.c
===================================================================
--- quilt.orig/arch/arm/kernel/ecard.c
+++ quilt/arch/arm/kernel/ecard.c
@@ -776,9 +776,19 @@ static struct proc_dir_entry *proc_bus_e
 
 static void ecard_proc_init(void)
 {
+	struct proc_dir_entry *proc_entry;
+
 	proc_bus_ecard_dir = proc_mkdir("ecard", proc_bus);
-	create_proc_info_entry("devices", 0, proc_bus_ecard_dir,
-		get_ecard_dev_info);
+	if (proc_bus_ecard_dir == NULL)
+		printk(KERN_WARNING 
+			"ecard: Unable to create proc dir entry.\n");
+	else {
+		proc_entry = create_proc_info_entry("devices", 0, 
+			proc_bus_ecard_dir, get_ecard_dev_info);
+		if (proc_entry == NULL) 
+			printk(KERN_WARNING 
+				"ecard: Unable to create proc entry.\n");
+	}
 }
 
 #define ec_set_resource(ec,nr,st,sz)				\

--
-
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