diff options
| author | 2010-08-26 13:22:27 -0400 | |
|---|---|---|
| committer | 2010-08-26 13:22:27 -0400 | |
| commit | f632265d0ffb5acf331252d98c64939849d96bb2 (patch) | |
| tree | 31187d9a726bf1ca6ca12e26ad8e7c609eaf4d8b /kernel/exec_domain.c | |
| parent | nfsd4: fix downgrade/lock logic (diff) | |
| parent | Linux 2.6.36-rc1 (diff) | |
Merge commit 'v2.6.36-rc1' into HEAD
Diffstat (limited to 'kernel/exec_domain.c')
| -rw-r--r-- | kernel/exec_domain.c | 38 |
1 files changed, 13 insertions, 25 deletions
diff --git a/kernel/exec_domain.c b/kernel/exec_domain.c index c35452cadded..0dbeae374225 100644 --- a/kernel/exec_domain.c +++ b/kernel/exec_domain.c @@ -27,7 +27,7 @@ static struct exec_domain *exec_domains = &default_exec_domain; static DEFINE_RWLOCK(exec_domains_lock); -static u_long ident_map[32] = { +static unsigned long ident_map[32] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, @@ -56,10 +56,10 @@ default_handler(int segment, struct pt_regs *regp) } static struct exec_domain * -lookup_exec_domain(u_long personality) +lookup_exec_domain(unsigned int personality) { - struct exec_domain * ep; - u_long pers = personality(personality); + unsigned int pers = personality(personality); + struct exec_domain *ep; read_lock(&exec_domains_lock); for (ep = exec_domains; ep; ep = ep->next) { @@ -70,7 +70,7 @@ lookup_exec_domain(u_long personality) #ifdef CONFIG_MODULES read_unlock(&exec_domains_lock); - request_module("personality-%ld", pers); + request_module("personality-%d", pers); read_lock(&exec_domains_lock); for (ep = exec_domains; ep; ep = ep->next) { @@ -134,23 +134,14 @@ unregister: return 0; } -int -__set_personality(u_long personality) +int __set_personality(unsigned int personality) { - struct exec_domain *ep, *oep; - - ep = lookup_exec_domain(personality); - if (ep == current_thread_info()->exec_domain) { - current->personality = personality; - module_put(ep->module); - return 0; - } + struct exec_domain *oep = current_thread_info()->exec_domain; + current_thread_info()->exec_domain = lookup_exec_domain(personality); current->personality = personality; - oep = current_thread_info()->exec_domain; - current_thread_info()->exec_domain = ep; - module_put(oep->module); + return 0; } @@ -188,17 +179,14 @@ static int __init proc_execdomains_init(void) module_init(proc_execdomains_init); #endif -SYSCALL_DEFINE1(personality, u_long, personality) +SYSCALL_DEFINE1(personality, unsigned int, personality) { - u_long old = current->personality; + unsigned int old = current->personality; - if (personality != 0xffffffff) { + if (personality != 0xffffffff) set_personality(personality); - if (current->personality != personality) - return -EINVAL; - } - return (long)old; + return old; } |
