patch-2.4.21 linux-2.4.21/fs/proc/array.c
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- Lines: 27
- Date:
2003-06-13 07:51:37.000000000 -0700
- Orig file:
linux-2.4.20/fs/proc/array.c
- Orig date:
2002-08-02 17:39:45.000000000 -0700
diff -urN linux-2.4.20/fs/proc/array.c linux-2.4.21/fs/proc/array.c
@@ -567,6 +567,8 @@
line = d_path(map->vm_file->f_dentry,
map->vm_file->f_vfsmnt,
buf, PAGE_SIZE);
+ if (IS_ERR(line))
+ return PTR_ERR(line);
buf[PAGE_SIZE-1] = '\n';
line -= MAPS_LINE_MAX;
if(line < buf)
@@ -640,6 +642,8 @@
goto next;
}
len = proc_pid_maps_get_line(tmp, map);
+ if (len < 0)
+ goto out_unlock;
len -= off;
if (len > 0) {
if (retval+len > count) {
@@ -661,6 +665,8 @@
if (loff) BUG();
map = map->vm_next;
}
+
+out_unlock:
up_read(&mm->mmap_sem);
mmput(mm);
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