Title: [6594] branches/2009R1/arch/blackfin/include/asm/uaccess.h: dont check the length given to strnlen_user() since some parts of the
Revision
6594
Author
sonicz
Date
2009-06-04 23:40:39 -0500 (Thu, 04 Jun 2009)

Log Message

dont check the length given to strnlen_user() since some parts of the
kernel give unrealistically large sizes which never validate on no-mmu

Modified Paths

Diff

Modified: branches/2009R1/arch/blackfin/include/asm/uaccess.h (6593 => 6594)


--- branches/2009R1/arch/blackfin/include/asm/uaccess.h	2009-06-05 04:37:59 UTC (rev 6593)
+++ branches/2009R1/arch/blackfin/include/asm/uaccess.h	2009-06-05 04:40:39 UTC (rev 6594)
@@ -245,13 +245,11 @@
  */
 static inline long __must_check strnlen_user(const char *src, long n)
 {
-	if (!access_ok(VERIFY_READ, src, n))
+	if (!access_ok(VERIFY_READ, src, 1))
 		return 0;
 	return strnlen(src, n) + 1;
 }
 
-/* We don't know the length, so only check the start of the string */
-
 static inline long __must_check strlen_user(const char *src)
 {
 	if (!access_ok(VERIFY_READ, src, 1))
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