From: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Date: Wed, 19 May 2010 19:25:46 +0000 (-0400)
Subject: Return pointers to the character, instead of the character itself.
X-Git-Url: http://git.cascardo.info/?p=cascardo%2Fkernel%2Fsamples%2Fproc2%2F.git;a=commitdiff_plain;h=HEAD

Return pointers to the character, instead of the character itself.
---

diff --git a/helloproc.c b/helloproc.c
index 4fc799b..7e641a4 100644
--- a/helloproc.c
+++ b/helloproc.c
@@ -30,7 +30,7 @@ static void *hp_start(struct seq_file *s, loff_t *pos)
 	*pos += 1;
 	if (hp_pos >= sizeof(hello))
 		return NULL;
-	return (void *) hello[hp_pos];
+	return &hello[hp_pos];
 }
 
 static void hp_stop(struct seq_file *s, void *v)
@@ -44,12 +44,12 @@ static void *hp_next(struct seq_file *s, void *v, loff_t *pos)
 	*pos += 1;
 	if (hp_pos >= sizeof(hello))
 		return NULL;
-	return (void *) hello[hp_pos];
+	return &hello[hp_pos];
 }
 
 static int hp_show(struct seq_file *s, void *v)
 {
-	seq_putc(s, (char) v);
+	seq_putc(s, *(char *)v);
 	return 0;
 }