abis_nm: Fix possible not-null-terminated buffer
Unrealistic case with file name of 4096 bytes length.
Change-Id: I503200b879b854cf2dc218d5fe3059a555732d92
Fixes: Coverity CID 57619
diff --git a/openbsc/src/libbsc/abis_nm.c b/openbsc/src/libbsc/abis_nm.c
index 3289b3c..fb6a957 100644
--- a/openbsc/src/libbsc/abis_nm.c
+++ b/openbsc/src/libbsc/abis_nm.c
@@ -2305,6 +2305,7 @@
bs11_sw->forced = forced;
strncpy(bs11_sw->swl_fname, fname, sizeof(bs11_sw->swl_fname));
+ bs11_sw->swl_fname[sizeof(bs11_sw->swl_fname)-1] = '\0';
rc = bs11_read_swl_file(bs11_sw);
if (rc < 0)
return rc;