1 files changed, 5 insertions, 0 deletions

diff --git a/modutils/modutils-24.c b/modutils/modutils-24.c
index 2b34954c0..bd650cab5 100644
--- a/modutils/modutils-24.c
+++ b/modutils/modutils-24.c
@@ -2474,6 +2474,7 @@ new_process_module_arguments(struct obj_file *f, const char *options)
                 n = 0;
                 p = val;
                 while (*p != 0) {
+                        char sv_ch;
                         char *endp;
 
                         if (++n > max)
@@ -2482,14 +2483,17 @@ new_process_module_arguments(struct obj_file *f, const char *options)
                         switch (*pinfo) {
                         case 's':
                                 len = strcspn(p, ",");
+                                sv_ch = p[len];
                                 p[len] = 0;
                                 obj_string_patch(f, sym->secidx,
                                                  loc - contents, p);
                                 loc += tgt_sizeof_char_p;
                                 p += len;
+                                *p = sv_ch;
                                 break;
                         case 'c':
                                 len = strcspn(p, ",");
+                                sv_ch = p[len];
                                 p[len] = 0;
                                 if (len >= charssize)
                                         bb_error_msg_and_die("string too long for %s (max %ld)", param,
@@ -2497,6 +2501,7 @@ new_process_module_arguments(struct obj_file *f, const char *options)
                                 strcpy((char *) loc, p);
                                 loc += charssize;
                                 p += len;
+                                *p = sv_ch;
                                 break;
                         case 'b':
                                 *loc++ = strtoul(p, &endp, 0);