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[ARM] 5404/1: Fix condition in arm_elf_read_implies_exec() to set READ_IMPLIES_EXEC 

READ_IMPLIES_EXEC must be set when:
o binary _is_ an executable stack (i.e. not EXSTACK_DISABLE_X)
o processor architecture is _under_ ARMv6 (XN bit is supported from ARMv6)

Signed-off-by: Makito SHIOKAWA <lkhmkt@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Makito SHIOKAWA 2009-02-19 15:34:59 +01:00 committed by Russell King
parent 41f3103fcf
commit 9da616fb99
1 changed files with 2 additions and 2 deletions
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4
arch/arm/kernel/elf.c
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@ -74,9 +74,9 @@ EXPORT_SYMBOL(elf_set_personality);
*/ */
int arm_elf_read_implies_exec(const struct elf32_hdr *x, int executable_stack) int arm_elf_read_implies_exec(const struct elf32_hdr *x, int executable_stack)
{ {
if (executable_stack != EXSTACK_ENABLE_X) if (executable_stack != EXSTACK_DISABLE_X)
return 1; return 1;
if (cpu_architecture() <= CPU_ARCH_ARMv6) if (cpu_architecture() < CPU_ARCH_ARMv6)
return 1; return 1;
return 0; return 0;
} }