[PATCH] misc_register-007-005

9d4e7cce · Michael Still · Linus Torvalds · ddba7f15 · 9d4e7cce
Commit 9d4e7cce authored Jan 05, 2003 by Michael Still Committed by Linus Torvalds Jan 05, 2003
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Showing with 12 additions and 3 deletions

drivers/char/genrtc.c drivers/char/genrtc.c +12 -3

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--- a/drivers/char/genrtc.c
+++ b/drivers/char/genrtc.c
@@ -404,11 +404,20 @@ static struct miscdevice rtc_gen_dev =
 int __init rtc_generic_init(void)
 {
+	int retval;
 	printk(KERN_INFO "Generic RTC Driver v%s\n", RTC_VERSION);
-	misc_register(&rtc_gen_dev);
+	retval = misc_register(&rtc_gen_dev);
-	create_proc_read_entry ("driver/rtc", 0, 0, gen_rtc_read_proc, NULL);
+	if(retval < 0)
+		return retval;
+#ifdef CONFIG_PROC_FS
+	if((create_proc_read_entry ("driver/rtc", 0, 0, gen_rtc_read_proc, NULL)) == NULL){
+		misc_deregister(&rtc_gen_dev);
+		return -ENOMEM;
+	}
+#endif
 	return 0;
 }