Found by coverity.

Signed-off-by: Hannes Reinecke <[email protected]>
---
 libmultipath/devmapper.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libmultipath/devmapper.c b/libmultipath/devmapper.c
index f395481..0223e18 100644
--- a/libmultipath/devmapper.c
+++ b/libmultipath/devmapper.c
@@ -116,7 +116,10 @@ dm_lib_prereq (void)
 
        dm_get_library_version(version, sizeof(version));
        condlog(3, "libdevmapper version %s", version);
-       sscanf(version, "%d.%d.%d ", &v[0], &v[1], &v[2]);
+       if (sscanf(version, "%d.%d.%d ", &v[0], &v[1], &v[2]) != 3) {
+               condlog(0, "invalid libdevmapper version %s", version);
+               return 1;
+       }
 
        if VERSION_GE(v, minv)
                return 0;
-- 
2.6.6

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