Re: [PATCH] Driver Core update for 2.6.6-rc1

[Greg KH]

ChangeSet 1.1643.36.11, 2004/03/31 15:20:20-08:00, lxiep@xxxxxxxxxxxxxxxxxxxx

[PATCH] kobject_set_name() doesn't allocate enough space


 lib/kobject.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)


diff -Nru a/lib/kobject.c b/lib/kobject.c
--- a/lib/kobject.c	Thu Apr 15 10:20:40 2004
+++ b/lib/kobject.c	Thu Apr 15 10:20:40 2004
@@ -349,16 +349,16 @@
 		/* 
 		 * Need more space? Allocate it and try again 
 		 */
-		name = kmalloc(need,GFP_KERNEL);
+		limit = need + 1;
+		name = kmalloc(limit,GFP_KERNEL);
 		if (!name) {
 			error = -ENOMEM;
 			goto Done;
 		}
-		limit = need;
 		need = vsnprintf(name,limit,fmt,args);
 
 		/* Still? Give up. */
-		if (need > limit) {
+		if (need >= limit) {
 			kfree(name);
 			error = -EFAULT;
 			goto Done;

-
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