From 5d008fb414f7c73e0761835d941943e17d32463d Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Thu, 7 Jun 2018 17:10:17 -0700
Subject: proc: use "unsigned int" for /proc/*/stack
struct stack_trace::nr_entries is defined as "unsigned int" (YAY!) so
the iterator should be unsigned as well.
It saves 1 byte of code or something like that.
Link: http://lkml.kernel.org/r/20180423215248.GG9043@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
fs/proc/base.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
(limited to 'fs/proc')
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 720205aa1e34..44dec22e5e9e 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -401,7 +401,6 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns,
struct stack_trace trace;
unsigned long *entries;
int err;
- int i;
entries = kmalloc(MAX_STACK_TRACE_DEPTH * sizeof(*entries), GFP_KERNEL);
if (!entries)
@@ -414,6 +413,8 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns,
err = lock_trace(task);
if (!err) {
+ unsigned int i;
+
save_stack_trace_tsk(task, &trace);
for (i = 0; i < trace.nr_entries; i++) {
--
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