linux-kernel - [PATCH 09/16] um: use get

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 23 Feb 2008 16:14:12 +0800
From:	WANG Cong <xiyou.wangcong@...il.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	WANG Cong <xiyou.wangcong@...il.com>,
	Jeff Dike <jdike@...toit.com>
Subject: [PATCH 09/16] um: use get_personality()

Use get_personality() macro instead of explicit reference for
uml code.

Signed-off-by: WANG Cong <xiyou.wangcong@...il.com>
Cc: Jeff Dike <jdike@...toit.com>

---
 arch/um/kernel/process.c       |    2 +-
 arch/um/sys-x86_64/syscalls.c  |    2 +-
 include/asm-um/vm-flags-i386.h |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index fc50d2f..91e0a84 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -405,7 +405,7 @@ int singlestepping(void * t)
 #ifndef arch_align_stack
 unsigned long arch_align_stack(unsigned long sp)
 {
-	if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
+	if (!(get_personality() & ADDR_NO_RANDOMIZE) && randomize_va_space)
 		sp -= get_random_int() % 8192;
 	return sp & ~0xf;
 }
diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c
index f1199fd..cf7b61e 100644
--- a/arch/um/sys-x86_64/syscalls.c
+++ b/arch/um/sys-x86_64/syscalls.c
@@ -20,7 +20,7 @@ asmlinkage long sys_uname64(struct new_utsname __user * name)
 	err = copy_to_user(name, utsname(), sizeof (*name));
 	up_read(&uts_sem);
 
-	if (personality(current->personality) == PER_LINUX32)
+	if (personality(get_personality()) == PER_LINUX32)
 		err |= copy_to_user(&name->machine, "i686", 5);
 
 	return err ? -EFAULT : 0;
diff --git a/include/asm-um/vm-flags-i386.h b/include/asm-um/vm-flags-i386.h
index e0d24c5..c30e0f6 100644
--- a/include/asm-um/vm-flags-i386.h
+++ b/include/asm-um/vm-flags-i386.h
@@ -8,7 +8,7 @@
 
 #define VM_DATA_DEFAULT_FLAGS \
 	(VM_READ | VM_WRITE | \
-	((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
+	((get_personality() & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
 		 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
 #endif
-- 
1.5.3.8

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/