X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=lib%2Futils_devpath.c;h=472569e92df3927555cca843413ad366558bcec9;hb=89e09afdf6408d090617094e667bcca1b87dd86e;hp=94728730c452b496cd565949dfb11ce5949cc143;hpb=65f975655cde3777d4e9effd9635ef6fe20b3057;p=platform%2Fupstream%2Fcryptsetup.git

diff --git a/lib/utils_devpath.c b/lib/utils_devpath.c
index 9472873..472569e 100644
--- a/lib/utils_devpath.c
+++ b/lib/utils_devpath.c
@@ -30,6 +30,11 @@
 #include <sys/types.h>
 #include "utils_dm.h"
 
+/* These are DM helpers used only by this file */
+int dm_is_dm_device(int major, int minor);
+int dm_is_dm_kernel_name(const char *name);
+char *dm_device_path(const char *prefix, int major, int minor);
+
 char *crypt_lookup_dev(const char *dev_id);
 int crypt_sysfs_get_rotational(int major, int minor, int *rotational);
 
@@ -134,7 +139,7 @@ char *crypt_lookup_dev(const char *dev_id)
 	if (snprintf(path, sizeof(path), "/sys/dev/block/%s", dev_id) < 0)
 		return NULL;
 
-	len = readlink(path, link, sizeof(link));
+	len = readlink(path, link, sizeof(link) - 1);
 	if (len < 0) {
 		/* Without /sys use old scan */
 		if (stat("/sys/dev/block", &st) < 0)