w1: ds2408: use ARRAY_SIZE instead of hard-coded number

Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Jean-Francois Dagenais <jeff.dagenais@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/w1/slaves/w1_ds2408.c b/drivers/w1/slaves/w1_ds2408.c
index 25a5168ab522834fc9d484725996efb9eeafc0e0..e45eca1044bd2ee6bae62e726ea825dd80bfcea5 100644 (file)
--- a/drivers/w1/slaves/w1_ds2408.c
+++ b/drivers/w1/slaves/w1_ds2408.c
@@ -303,8 +303,7 @@ error:
 
 
 
-#define NB_SYSFS_BIN_FILES 6
-static struct bin_attribute w1_f29_sysfs_bin_files[NB_SYSFS_BIN_FILES] = {
+static struct bin_attribute w1_f29_sysfs_bin_files[] = {
        {
                .attr = {
                        .name = "state",
@@ -363,7 +362,7 @@ static int w1_f29_add_slave(struct w1_slave *sl)
        int err = 0;
        int i;
 
-       for (i = 0; i < NB_SYSFS_BIN_FILES && !err; ++i)
+       for (i = 0; i < ARRAY_SIZE(w1_f29_sysfs_bin_files) && !err; ++i)
                err = sysfs_create_bin_file(
                        &sl->dev.kobj,
                        &(w1_f29_sysfs_bin_files[i]));
@@ -377,7 +376,7 @@ static int w1_f29_add_slave(struct w1_slave *sl)
 static void w1_f29_remove_slave(struct w1_slave *sl)
 {
        int i;
-       for (i = NB_SYSFS_BIN_FILES - 1; i >= 0; --i)
+       for (i = ARRAY_SIZE(w1_f29_sysfs_bin_files) - 1; i >= 0; --i)
                sysfs_remove_bin_file(&sl->dev.kobj,
                        &(w1_f29_sysfs_bin_files[i]));
 }