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add comment for __ksymtab_strings case

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Signed-off-by: Seth Jennings <sjenning@redhat.com>
This commit is contained in:
Seth Jennings 2014-03-10 14:49:56 -05:00
parent abbb12d065
commit 582f2b27e0
1 changed files with 7 additions and 0 deletions
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7
kpatch-build/create-diff-object.c
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@ -375,6 +375,13 @@ void kpatch_create_symbol_table(struct kpatch_elf *kelf)
ERROR("couldn't find section for symbol %s\n",
sym->name);
/*
* __ksymtab_strings is a special case where the
* compiler creates FUNC/OBJECT syms that refer
* to offsets inside the __ksymtab_strings section
* for kernel exported symbols. We want to ignore
* those.
*/
if ((sym->type == STT_FUNC ||
sym->type == STT_OBJECT) &&
sym->sym.st_value == 0 &&