Hi,
This patch reduces the length of holding kernel lock and removes one extra
initialization and a goto label from sys_access() and uses if(mode &
~mask) instead of if(mode != (mode&mask)).
A copy on:
http://www.ocston.org/~tigran/patches/access-2.3.41-p4.patch
Regards,
------
Tigran A. Aivazian | http://www.sco.com
Escalations Research Group | tel: +44-(0)1923-813796
Santa Cruz Operation Ltd | http://www.ocston.org/~tigran
--- open.c.0 Thu Jan 27 16:53:25 2000
+++ open.c Fri Jan 28 07:38:30 2000
@@ -306,11 +306,12 @@
struct dentry * dentry;
int old_fsuid, old_fsgid;
kernel_cap_t old_cap;
- int res = -EINVAL;
+ int res;
+
+ if (mode & ~S_IRWXO) /* where's F_OK, X_OK, W_OK, R_OK? */
+ return -EINVAL;
lock_kernel();
- if (mode != (mode & S_IRWXO)) /* where's F_OK, X_OK, W_OK, R_OK? */
- goto out;
old_fsuid = current->fsuid;
old_fsgid = current->fsgid;
old_cap = current->cap_effective;
@@ -337,7 +338,7 @@
current->fsuid = old_fsuid;
current->fsgid = old_fsgid;
current->cap_effective = old_cap;
-out:
+
unlock_kernel();
return res;
}
-
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