1 files changed, 6 insertions, 0 deletions

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 5a6b39a29b7a..29c89a6bad3d 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -609,6 +609,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
 {
         unsigned int crc;
         enum export export;
+        bool is_crc = false;
 
         if ((!is_vmlinux(mod->name) || mod->is_dot_o) &&
             strncmp(symname, "__ksymtab", 9) == 0)
@@ -618,6 +619,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
 
         /* CRC'd symbol */
         if (strncmp(symname, CRC_PFX, strlen(CRC_PFX)) == 0) {
+                is_crc = true;
                 crc = (unsigned int) sym->st_value;
                 sym_update_crc(symname + strlen(CRC_PFX), mod, crc,
                                 export);
@@ -663,6 +665,10 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
                 else
                         symname++;
 #endif
+                if (is_crc) {
+                        const char *e = is_vmlinux(mod->name) ?"":".ko";
+                        warn("EXPORT symbol \"%s\" [%s%s] version generation failed, symbol will not be versioned.\n", symname + strlen(CRC_PFX), mod->name, e);
+                }
                 mod->unres = alloc_symbol(symname,
                                           ELF_ST_BIND(sym->st_info) == STB_WEAK,
                                           mod->unres);