- Separate out show_stack changes into own patch.

[linux-flexiantxendom0-3.2.10.git] / fs / proc / base.c

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 06e363b..724f4b3 100644 (file)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -534,7 +534,24 @@ static ssize_t mem_write(struct file * file, const char * buf,
 }
 #endif
 
+static loff_t mem_lseek(struct file * file, loff_t offset, int orig)
+{
+       switch (orig) {
+             case 0:
+               file->f_pos = offset;
+               break;
+             case 1:
+               file->f_pos += offset;
+               break;
+             default:
+               return -EINVAL;
+       }
+       force_successful_syscall_return();
+       return file->f_pos;
+}
+
 static struct file_operations proc_mem_operations = {
+       .llseek         = mem_lseek,
        .read           = mem_read,
        .write          = mem_write,
        .open           = mem_open,