From: Sapan Bhatia <gwsapan@gmail.com>
Date: Tue, 21 May 2013 20:45:07 +0000 (-0400)
Subject: Rewired registers via which arguments are collected to reflect new interfaces in... 
X-Git-Tag: procprotect-0.3-4~3
X-Git-Url: http://git.onelab.eu/?p=procprotect.git;a=commitdiff_plain;h=c4d10fa8ab1fd1a2fc9db070c139f07f836b2e83

Rewired registers via which arguments are collected to reflect new interfaces in kernel 3.9
---

diff --git a/procprotect.c b/procprotect.c
index 1d91401..dc2d4e4 100644
--- a/procprotect.c
+++ b/procprotect.c
@@ -95,14 +95,13 @@ static int lookup_fast_entry(struct kretprobe_instance *ri, struct pt_regs *regs
     int ret = -1;
     struct procprotect_ctx *ctx;
     struct nameidata *nd = (struct nameidata *) regs->di;
-    struct qstr *q = (struct qstr *) regs->si;
     struct dentry *parent = nd->path.dentry;
     struct inode *pinode = parent->d_inode;
 
     if (pinode->i_sb->s_magic == PROC_SUPER_MAGIC
             && current->nsproxy->mnt_ns!=init_task.nsproxy->mnt_ns) {	
         ctx = (struct procprotect_ctx *) ri->data;
-        ctx->inode = regs->cx;
+        ctx->inode = regs->dx;
         ctx->flags = nd->flags;
         ret = 0;
     }
@@ -136,8 +135,7 @@ static int lookup_slow_entry(struct kretprobe_instance *ri, struct pt_regs *regs
     int ret = -1;
     struct procprotect_ctx *ctx;
     struct nameidata *nd = (struct nameidata *) regs->di;
-    struct qstr *q = (struct qstr *) regs->si;
-    struct path *p = (struct path *) regs->dx;
+    struct path *p = (struct path *) regs->si;
 
     struct dentry *parent = nd->path.dentry;
     struct inode *pinode = parent->d_inode;
@@ -148,7 +146,7 @@ static int lookup_slow_entry(struct kretprobe_instance *ri, struct pt_regs *regs
             && current->nsproxy->mnt_ns!=init_task.nsproxy->mnt_ns) {	
         
         ctx = (struct procprotect_ctx *) ri->data;
-        ctx->q = q;
+        ctx->q = &nd->last;
         ctx->flags = nd->flags;
         ctx->path = p;
         ret = 0;