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-rw-r--r--scripts/mod/file2alias.c4
-rw-r--r--scripts/mod/modpost.c5
-rw-r--r--scripts/mod/modpost.h1
3 files changed, 9 insertions, 1 deletions
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 9ddf944cce29..348d8687b7c9 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -51,11 +51,13 @@ do { \
sprintf(str + strlen(str), "*"); \
} while(0)
+unsigned int cross_build = 0;
/**
* Check that sizeof(device_id type) are consistent with size of section
* in .o file. If in-consistent then userspace and kernel does not agree
* on actual size which is a bug.
* Also verify that the final entry in the table is all zeros.
+ * Ignore both checks if build host differ from target host and size differs.
**/
static void device_id_check(const char *modname, const char *device_id,
unsigned long size, unsigned long id_size,
@@ -64,6 +66,8 @@ static void device_id_check(const char *modname, const char *device_id,
int i;
if (size % id_size || size < id_size) {
+ if (cross_build != 0)
+ return;
fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo "
"of the size of section __mod_%s_device_table=%lu.\n"
"Fix definition of struct %s_device_id "
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 695b5d657cf5..110cf243fa4e 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -2026,7 +2026,7 @@ int main(int argc, char **argv)
int opt;
int err;
- while ((opt = getopt(argc, argv, "i:I:msSo:awM:K:")) != -1) {
+ while ((opt = getopt(argc, argv, "i:I:cmsSo:awM:K:")) != -1) {
switch (opt) {
case 'i':
kernel_read = optarg;
@@ -2035,6 +2035,9 @@ int main(int argc, char **argv)
module_read = optarg;
external_module = 1;
break;
+ case 'c':
+ cross_build = 1;
+ break;
case 'm':
modversions = 1;
break;
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 565c5872407e..09f58e33d227 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -135,6 +135,7 @@ struct elf_info {
};
/* file2alias.c */
+extern unsigned int cross_build;
void handle_moddevtable(struct module *mod, struct elf_info *info,
Elf_Sym *sym, const char *symname);
void add_moddevtable(struct buffer *buf, struct module *mod);