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authorDavid S. Miller <davem@davemloft.net>2010-09-08 23:49:04 -0700
committerDavid S. Miller <davem@davemloft.net>2010-09-08 23:49:04 -0700
commite199e6136ce6b151e6638ae93dca60748424d900 (patch)
tree0d66e0b5d227c36b005e4f5537f4bbcfc6ed4904 /kernel/exec_domain.c
parent972c40b5bee429c84ba727f8ac0a08292bc5dc3d (diff)
parentd56557af19867edb8c0e96f8e26399698a08857f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'kernel/exec_domain.c')
-rw-r--r--kernel/exec_domain.c22
1 files changed, 5 insertions, 17 deletions
diff --git a/kernel/exec_domain.c b/kernel/exec_domain.c
index dd62f8e714ca..0dbeae374225 100644
--- a/kernel/exec_domain.c
+++ b/kernel/exec_domain.c
@@ -134,23 +134,14 @@ unregister:
return 0;
}
-int
-__set_personality(unsigned int 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;
}
@@ -192,11 +183,8 @@ SYSCALL_DEFINE1(personality, unsigned int, personality)
{
unsigned int old = current->personality;
- if (personality != 0xffffffff) {
+ if (personality != 0xffffffff)
set_personality(personality);
- if (current->personality != personality)
- return -EINVAL;
- }
return old;
}