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Fix modpost failures in fedora 17 

The symbol table on x86-64 starts to have entries that have names
like:

_GLOBAL__sub_I_65535_0___mod_x86cpu_device_table

They are of type STT_FUNCTION and this one had a length of 18.  This
matched the device ID validation logic and it barfed because the
length did not meet the device type's criteria.

--------------------
FATAL: arch/x86/crypto/aesni-intel: sizeof(struct x86cpu_device_id)=16 is not a modulo of the size of section __mod_x86cpu_device_table=18.
Fix definition of struct x86cpu_device_id in mod_devicetable.h
--------------------

These are some kind of compiler tool internal stuff being emitted and
not something we want to inspect in modpost's device ID table
validation code.

So skip the symbol if it is not of type STT_OBJECT.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
David Miller 2012-04-12 14:37:30 -04:00 committed by Michal Marek
parent 0eb043d0ee
commit e88aa7bbbe
1 changed files with 4 additions and 0 deletions
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4
scripts/mod/file2alias.c
View File

@ -1100,6 +1100,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
if (!sym->st_shndx || get_secindex(info, sym) >= info->num_sections)
return;
/* We're looking for an object */
if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT)
return;
/* All our symbols are of form <prefix>__mod_XXX_device_table. */
name = strstr(symname, "__mod_");
if (!name)