X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fdevice-mapper.h;h=dfb30db475ed61c2c5562952c3e8add25a1754a2;hb=326528a54f61e38fc16bf2e8ac028c6a33b615ed;hp=08d783592b73ef4ef6bf8f2b03c8b1359ebe5b40;hpb=accba5f3965d6a9d1bf7c1e1a7995d17e9d521b6;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 08d783592b7..dfb30db475e 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -354,6 +354,9 @@ void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size);
  */
 #define dm_round_up(n, sz) (dm_div_up((n), (sz)) * (sz))
 
+#define dm_array_too_big(fixed, obj, num) \
+	((num) > (UINT_MAX - (fixed)) / (obj))
+
 static inline sector_t to_sector(unsigned long n)
 {
 	return (n >> SECTOR_SHIFT);