[PATCH] proc: use "unsigned int" in proc_fill_cache()

[Alexey Dobriyan]

All those lengths are unsigned as they should be.

Signed-off-by: Alexey Dobriyan <adobri...@gmail.com>
---

 fs/proc/base.c     |    6 +++---
 fs/proc/fd.c       |    2 +-
 fs/proc/internal.h |    2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1874,7 +1874,7 @@ const struct dentry_operations pid_dentry_operations =
  * by stat.
  */
 bool proc_fill_cache(struct file *file, struct dir_context *ctx,
-       const char *name, int len,
+       const char *name, unsigned int len,
        instantiate_t instantiate, struct task_struct *task, const void *ptr)
 {
        struct dentry *child, *dir = file->f_path.dentry;
@@ -3263,7 +3263,7 @@ int proc_pid_readdir(struct file *file, struct 
dir_context *ctx)
             iter.task;
             iter.tgid += 1, iter = next_tgid(ns, iter)) {
                char name[10 + 1];
-               int len;
+               unsigned int len;
 
                cond_resched();
                if (!has_pid_permissions(ns, iter.task, HIDEPID_INVISIBLE))
@@ -3595,7 +3595,7 @@ static int proc_task_readdir(struct file *file, struct 
dir_context *ctx)
             task;
             task = next_tid(task), ctx->pos++) {
                char name[10 + 1];
-               int len;
+               unsigned int len;
                tid = task_pid_nr_ns(task, ns);
                len = snprintf(name, sizeof(name), "%u", tid);
                if (!proc_fill_cache(file, ctx, name, len,
--- a/fs/proc/fd.c
+++ b/fs/proc/fd.c
@@ -237,7 +237,7 @@ static int proc_readfd_common(struct file *file, struct 
dir_context *ctx,
             fd < files_fdtable(files)->max_fds;
             fd++, ctx->pos++) {
                char name[10 + 1];
-               int len;
+               unsigned int len;
 
                if (!fcheck_files(files, fd))
                        continue;
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -157,7 +157,7 @@ extern loff_t mem_lseek(struct file *, loff_t, int);
 /* Lookups */
 typedef int instantiate_t(struct inode *, struct dentry *,
                                     struct task_struct *, const void *);
-extern bool proc_fill_cache(struct file *, struct dir_context *, const char *, 
int,
+bool proc_fill_cache(struct file *, struct dir_context *, const char *, 
unsigned int,
                           instantiate_t, struct task_struct *, const void *);
 
 /*