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avr32: fix relocation check for signed 18-bit offset

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commit e68c636d88 upstream.

Caught by static code analysis by David.

Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans-Christian Egtvedt 2013-05-13 22:22:10 +02:00 committed by Greg Kroah-Hartman
parent 0bfd8ffeff
commit ccc1525f37
1 changed files with 1 additions and 1 deletions
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2
arch/avr32/kernel/module.c
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@ -264,7 +264,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
break;
case R_AVR32_GOT18SW:
if ((relocation & 0xfffe0003) != 0
&& (relocation & 0xfffc0003) != 0xffff0000)
&& (relocation & 0xfffc0000) != 0xfffc0000)
return reloc_overflow(module, "R_AVR32_GOT18SW",
relocation);
relocation >>= 2;