diff options
Diffstat (limited to 'arch/x86_64/kernel/setup64.c')
| -rw-r--r-- | arch/x86_64/kernel/setup64.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c index 417de564456e..646caa0a20bb 100644 --- a/arch/x86_64/kernel/setup64.c +++ b/arch/x86_64/kernel/setup64.c @@ -46,8 +46,10 @@ Control non executable mappings for 64bit processes. on Enable(default) off Disable */ -int __init nonx_setup(char *str) +static int __init nonx_setup(char *str) { + if (!str) + return -EINVAL; if (!strncmp(str, "on", 2)) { __supported_pte_mask |= _PAGE_NX; do_not_nx = 0; @@ -55,9 +57,9 @@ int __init nonx_setup(char *str) do_not_nx = 1; __supported_pte_mask &= ~_PAGE_NX; } - return 1; + return 0; } -__setup("noexec=", nonx_setup); /* parsed early actually */ +early_param("noexec", nonx_setup); int force_personality32 = 0; |