From: Zhikang Zhang <zhangzhikang1@xxxxxxxxxx> Subject: proc: remove unused argument in proc_pid_lookup() [adobriyan@xxxxxxxxx: delete "extern" from prototype] Link: http://lkml.kernel.org/r/20190114195635.GA9372@avx2 Signed-off-by: Zhikang Zhang <zhangzhikang1@xxxxxxxxxx> Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/proc/base.c | 2 +- fs/proc/internal.h | 2 +- fs/proc/root.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) --- a/fs/proc/base.c~proc-remove-unused-argument-in-proc_pid_lookup +++ a/fs/proc/base.c @@ -3161,7 +3161,7 @@ static struct dentry *proc_pid_instantia 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; --- a/fs/proc/internal.h~proc-remove-unused-argument-in-proc_pid_lookup +++ a/fs/proc/internal.h @@ -162,7 +162,7 @@ extern struct inode *proc_pid_make_inode 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); +struct dentry *proc_pid_lookup(struct dentry *, unsigned int); extern loff_t mem_lseek(struct file *, loff_t, int); /* Lookups */ --- a/fs/proc/root.c~proc-remove-unused-argument-in-proc_pid_lookup +++ a/fs/proc/root.c @@ -154,7 +154,7 @@ static int proc_root_getattr(const struc 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); _