Check return of fseek while reading index

diff --git a/libkmod/libkmod-index.c b/libkmod/libkmod-index.c
index aa17c2f0234a9c54ebbda82d59fe51d73a14f55e..1f3351a0443c7f92acc738e1d6b39c1ab80e2dae 100644 (file)
--- a/libkmod/libkmod-index.c
+++ b/libkmod/libkmod-index.c
@@ -242,7 +242,8 @@ static struct index_node_f *index_read(FILE *in, uint32_t offset)
        if ((offset & INDEX_NODE_MASK) == 0)
                return NULL;
 
-       fseek(in, offset & INDEX_NODE_MASK, SEEK_SET);
+       if (fseek(in, offset & INDEX_NODE_MASK, SEEK_SET) < 0)
+               return NULL;
 
        if (offset & INDEX_NODE_PREFIX) {
                struct strbuf buf;