diff options
Diffstat (limited to 'drivers/bus/fsl-mc')
| -rw-r--r-- | drivers/bus/fsl-mc/fsl-mc-bus.c | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c index 8fd4a356a86e..ba01c7f4de92 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -166,31 +166,14 @@ static ssize_t driver_override_store(struct device *dev, const char *buf, size_t count) { struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev); - char *driver_override, *old = mc_dev->driver_override; - char *cp; + int ret; if (WARN_ON(dev->bus != &fsl_mc_bus_type)) return -EINVAL; - if (count >= (PAGE_SIZE - 1)) - return -EINVAL; - - driver_override = kstrndup(buf, count, GFP_KERNEL); - if (!driver_override) - return -ENOMEM; - - cp = strchr(driver_override, '\n'); - if (cp) - *cp = '\0'; - - if (strlen(driver_override)) { - mc_dev->driver_override = driver_override; - } else { - kfree(driver_override); - mc_dev->driver_override = NULL; - } - - kfree(old); + ret = driver_set_override(dev, &mc_dev->driver_override, buf, count); + if (ret) + return ret; return count; } |