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parport: Move magic number "15" to a define

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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@samsung.com>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
This commit is contained in:
Joel Granados 2023-05-23 14:22:13 +02:00 committed by Luis Chamberlain
parent f1fcbaa18b
commit 7c0bf4dad6
2 changed files with 3 additions and 1 deletions
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2
drivers/parport/share.c
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@ -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;

2
include/linux/parport.h
View File

@ -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 */