linux-kernel - [PATCH] procfs: remove unused parameter in proc_pid

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Message-ID: <1547115014-12885-1-git-send-email-zhangzhikang1@huawei.com>
Date:   Thu, 10 Jan 2019 18:10:14 +0800
From:   Zhikang Zhang <zhangzhikang1@...wei.com>
To:     <adobriyan@...il.com>
CC:     <linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>,
        <heyunlei@...wei.com>
Subject: [PATCH] procfs: remove unused parameter in proc_pid_lookup

struct inode *dir argument in proc_pid_lookup doesn't needed anymore

Fixes: 0168b9e38c42 ("procfs: switch instantiate_t to d_splice_alias()")

Signed-off-by: Zhikang Zhang <zhangzhikang1@...wei.com>
---
 fs/proc/base.c     | 2 +-
 fs/proc/internal.h | 2 +-
 fs/proc/root.c     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index d7fd1ca..ac44398 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -3157,7 +3157,7 @@ static struct dentry *proc_pid_instantiate(struct dentry * dentry,
 	return d_splice_alias(inode, dentry);
 }
 
-struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, unsigned int flags)
+struct dentry *proc_pid_lookup(struct dentry *dentry, unsigned int flags)
 {
 	struct task_struct *task;
 	unsigned tgid;
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 5185d7f..80d55e8 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -161,7 +161,7 @@ extern struct inode *proc_pid_make_inode(struct super_block *, struct task_struc
 extern void pid_update_inode(struct task_struct *, struct inode *);
 extern int pid_delete_dentry(const struct dentry *);
 extern int proc_pid_readdir(struct file *, struct dir_context *);
-extern struct dentry *proc_pid_lookup(struct inode *, struct dentry *, unsigned int);
+extern struct dentry *proc_pid_lookup(struct dentry *, unsigned int);
 extern loff_t mem_lseek(struct file *, loff_t, int);
 
 /* Lookups */
diff --git a/fs/proc/root.c b/fs/proc/root.c
index f4b1a9d..621e6ec 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -154,7 +154,7 @@ static int proc_root_getattr(const struct path *path, struct kstat *stat,
 
 static struct dentry *proc_root_lookup(struct inode * dir, struct dentry * dentry, unsigned int flags)
 {
-	if (!proc_pid_lookup(dir, dentry, flags))
+	if (!proc_pid_lookup(dentry, flags))
 		return NULL;
 	
 	return proc_lookup(dir, dentry, flags);
-- 
2.7.4