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Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...
[linux-2.6.git]
/
arch
/
sparc
/
kernel
/
sys_sparc.c
diff --git
a/arch/sparc/kernel/sys_sparc.c
b/arch/sparc/kernel/sys_sparc.c
index
5a220d6
..
8318dc6
100644
(file)
--- a/
arch/sparc/kernel/sys_sparc.c
+++ b/
arch/sparc/kernel/sys_sparc.c
@@
-469,21
+469,23
@@
sys_rt_sigaction(int sig,
asmlinkage int sys_getdomainname(char __user *name, int len)
{
asmlinkage int sys_getdomainname(char __user *name, int len)
{
- int nlen;
- int err = -EFAULT;
+ int nlen, err;
+ if (len < 0)
+ return -EINVAL;
+
down_read(&uts_sem);
nlen = strlen(vx_new_uts(domainname)) + 1;
down_read(&uts_sem);
nlen = strlen(vx_new_uts(domainname)) + 1;
+ err = -EINVAL;
+ if (nlen > len)
+ goto out;
- if (nlen < len)
- len = nlen;
- if (len > __NEW_UTS_LEN)
- goto done;
- if (copy_to_user(name, vx_new_uts(domainname), len))
- goto done;
- err = 0;
-done:
+ err = -EFAULT;
+ if (!copy_to_user(name, vx_new_uts(domainname), nlen))
+ err = 0;
+
+out:
up_read(&uts_sem);
return err;
}
up_read(&uts_sem);
return err;
}