lkml.org 
[lkml]   [2018]   [Mar]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC 2/5] ia64/sn/hwperf: use seq_open_data
Date
This code should check the return value of seq_open(); if it failed,
file->private_data is NULL. But we can avoid the issue entirely and
simplify the code by letting seq_open_data() set the ->private member
to objbuf.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
---
arch/ia64/sn/kernel/sn2/sn_hwperf.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 55febd65911a..fba7f3ad99f4 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -941,14 +941,11 @@ static int sn_hwperf_init(void)
int sn_topology_open(struct inode *inode, struct file *file)
{
int e;
- struct seq_file *seq;
struct sn_hwperf_object_info *objbuf;
int nobj;

if ((e = sn_hwperf_enum_objects(&nobj, &objbuf)) == 0) {
- e = seq_open(file, &sn_topology_seq_ops);
- seq = file->private_data;
- seq->private = objbuf;
+ e = seq_open_data(file, &sn_topology_seq_ops, objbuf);
}

return e;
--
2.15.1
\
 
 \ /
  Last update: 2018-03-02 00:38    [W:0.094 / U:0.260 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site