modules: fix can-never-fail comparison

Spotted by GCC 11. Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
oracle · Mar 1, 2022 · 21bb81c · 21bb81c
1 parent 1f065d8
commit 21bb81c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libdtrace/dt_module.c b/libdtrace/dt_module.c
@@ -195,7 +195,7 @@ dt_module_init_elf(dtrace_hdl_t *dtp, dt_module_t *dmp)
 	int fd, err, bits;
 	size_t shstrs;
 
-	if (!dmp->dm_file) {
+	if (!dmp->dm_file[0] == '\0') {
 		dt_dprintf("failed to open ELF file for module %s: "
 		    "no file name known\n", dmp->dm_name);
 		return dt_set_errno(dtp, EDT_NOTLOADED);