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-rw-r--r--scripts/mod/file2alias.c55
1 files changed, 18 insertions, 37 deletions
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index fc4bbeea1268..5b5745f00eb3 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -176,40 +176,6 @@ static inline void add_guid(char *str, guid_t guid)
guid.b[12], guid.b[13], guid.b[14], guid.b[15]);
}
-/**
- * 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,
- void *symval)
-{
- int i;
-
- if (size % id_size || size < id_size) {
- fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo of the size of section __mod_device_table__%s__<identifier>=%lu.\n"
- "Fix definition of struct %s_device_id in mod_devicetable.h\n",
- modname, device_id, id_size, device_id, size, device_id);
- }
- /* Verify last one is a terminator */
- for (i = 0; i < id_size; i++ ) {
- if (*(uint8_t*)(symval+size-id_size+i)) {
- fprintf(stderr,
- "%s: struct %s_device_id is %lu bytes. The last of %lu is:\n",
- modname, device_id, id_size, size / id_size);
- for (i = 0; i < id_size; i++ )
- fprintf(stderr,"0x%02x ",
- *(uint8_t*)(symval+size-id_size+i) );
- fprintf(stderr,"\n");
- fatal("%s: struct %s_device_id is not terminated with a NULL entry!\n",
- modname, device_id);
- }
- }
-}
-
/* USB is special because the bcdDevice can be matched against a numeric range */
/* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */
static void do_usb_entry(void *symval,
@@ -1420,7 +1386,7 @@ static bool sym_is(const char *name, unsigned namelen, const char *symbol)
return memcmp(name, symbol, namelen) == 0;
}
-static void do_table(void *symval, unsigned long size,
+static void do_table(const char *name, void *symval, unsigned long size,
unsigned long id_size,
const char *device_id,
void (*do_entry)(struct module *mod, void *symval),
@@ -1428,7 +1394,21 @@ static void do_table(void *symval, unsigned long size,
{
unsigned int i;
- device_id_check(mod->name, device_id, size, id_size, symval);
+ if (size % id_size || size < id_size) {
+ error("%s: type mismatch between %s[] and MODULE_DEVICE_TABLE(%s, ...)\n",
+ mod->name, name, device_id);
+ return;
+ }
+
+ /* Verify the last entry is a terminator */
+ for (i = size - id_size; i < size; i++) {
+ if (*(uint8_t *)(symval + i)) {
+ error("%s: %s[] is not terminated with a NULL entry\n",
+ mod->name, name);
+ return;
+ }
+ }
+
/* Leave last one: it's the terminator. */
size -= id_size;
@@ -1524,6 +1504,7 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
if (!name)
return;
typelen = name - type;
+ name += strlen("__");
/* Handle all-NULL symbols allocated into .bss */
if (info->sechdrs[get_secindex(info, sym)].sh_type & SHT_NOBITS) {
@@ -1537,7 +1518,7 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
const struct devtable *p = &devtable[i];
if (sym_is(type, typelen, p->device_id)) {
- do_table(symval, sym->st_size, p->id_size,
+ do_table(name, symval, sym->st_size, p->id_size,
p->device_id, p->do_entry, mod);
break;
}