[PATCH v4 1/8] parport: Move magic number "15" to a define

From: Joel Granados
Date: Tue May 23 2023 - 08:22:41 EST


Put the size of a parport name behind a define so we can use it in other
files. This is a preparation patch to be able to use this size in
parport/procfs.c.

Signed-off-by: Joel Granados <j.granados@xxxxxxxxxxx>
Reviewed-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
---
drivers/parport/share.c | 2 +-
include/linux/parport.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index 62f8407923d4..2d46b1d4fd69 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -467,7 +467,7 @@ struct parport *parport_register_port(unsigned long base, int irq, int dma,
atomic_set(&tmp->ref_count, 1);
INIT_LIST_HEAD(&tmp->full_list);

- name = kmalloc(15, GFP_KERNEL);
+ name = kmalloc(PARPORT_NAME_MAX_LEN, GFP_KERNEL);
if (!name) {
kfree(tmp);
return NULL;
diff --git a/include/linux/parport.h b/include/linux/parport.h
index a0bc9e0267b7..243c82d7f852 100644
--- a/include/linux/parport.h
+++ b/include/linux/parport.h
@@ -180,6 +180,8 @@ struct ieee1284_info {
struct semaphore irq;
};

+#define PARPORT_NAME_MAX_LEN 15
+
/* A parallel port */
struct parport {
unsigned long base; /* base address */
--
2.30.2