[PATCH] spi: correct bus_num and buffer bug in spi core

[linux-2.6-omap-h63xx.git] / drivers / spi / spi.c

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 1a3c963dc48a68f9ec4187a59d47a83f9579078d..7d215eaa137023aebd409d2d5bfa367668b747c6 100644 (file)
--- 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);