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 <[email protected]> Reviewed-by: Andrew Morton <[email protected]> Cc: Al Viro <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
akeromi · Jun 8, 2018 · 5d008fb · 5d008fb
1 parent 197850a
commit 5d008fb
Showing 1 changed file with 2 additions and 1 deletion.
diff --git 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++) {