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Fix a couple of endianness bugs that crept in.

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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2021-05-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool fixes from Ingo Molnar:
 "Fix a couple of endianness bugs that crept in"

* tag 'objtool-urgent-2021-05-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool/x86: Fix elf_add_alternative() endianness
  objtool: Fix elf_create_undef_symbol() endianness
This commit is contained in:
Linus Torvalds 2021-05-15 10:18:23 -07:00
commit e7c425b744
2 changed files with 3 additions and 1 deletions
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3
tools/objtool/arch/x86/decode.c
View file

@ -19,6 +19,7 @@
#include <objtool/elf.h>
#include <objtool/arch.h>
#include <objtool/warn.h>
#include <objtool/endianness.h>
#include <arch/elf.h>
static int is_x86_64(const struct elf *elf)
@ -725,7 +726,7 @@ static int elf_add_alternative(struct elf *elf,
return -1;
}
alt->cpuid = cpuid;
alt->cpuid = bswap_if_needed(cpuid);
alt->instrlen = orig_len;
alt->replacementlen = repl_len;

1
tools/objtool/elf.c
View file

@ -762,6 +762,7 @@ struct symbol *elf_create_undef_symbol(struct elf *elf, const char *name)
data->d_buf = &sym->sym;
data->d_size = sizeof(sym->sym);
data->d_align = 1;
data->d_type = ELF_T_SYM;
sym->idx = symtab->len / sizeof(sym->sym);