diff options
| -rw-r--r-- | drivers/spi/spi.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 1a3c963dc48a..7d215eaa1370 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -465,15 +465,13 @@ EXPORT_SYMBOL_GPL(spi_unregister_master); */ struct spi_master *spi_busnum_to_master(u16 bus_num) { - if (bus_num) { - char name[8]; - struct kobject *bus; - - snprintf(name, sizeof name, "spi%u", bus_num); - bus = kset_find_obj(&spi_master_class.subsys.kset, name); - if (bus) - return container_of(bus, struct spi_master, cdev.kobj); - } + char name[9]; + struct kobject *bus; + + snprintf(name, sizeof name, "spi%u", bus_num); + bus = kset_find_obj(&spi_master_class.subsys.kset, name); + if (bus) + return container_of(bus, struct spi_master, cdev.kobj); return NULL; } EXPORT_SYMBOL_GPL(spi_busnum_to_master); |