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| author | Makito SHIOKAWA <lkhmkt@gmail.com> | 2009-02-19 15:34:59 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-02-19 14:45:27 +0000 |
| commit | 9da616fb9946c8d65387052e5a538b8f54ddb292 (patch) | |
| tree | 91fa682e64047f197a2d9f55713d6df2a8a38cf8 /arch | |
| parent | 41f3103fcfffff096c34f5267d7c9a26b44d89d3 (diff) | |
| download | lwn-9da616fb9946c8d65387052e5a538b8f54ddb292.tar.gz lwn-9da616fb9946c8d65387052e5a538b8f54ddb292.zip | |
[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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/kernel/elf.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c index 84849098c8e8..d4a0da1e48f4 100644 --- a/arch/arm/kernel/elf.c +++ b/arch/arm/kernel/elf.c @@ -74,9 +74,9 @@ EXPORT_SYMBOL(elf_set_personality); */ 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; - if (cpu_architecture() <= CPU_ARCH_ARMv6) + if (cpu_architecture() < CPU_ARCH_ARMv6) return 1; return 0; } |