[PATCH] Hotplug: Make dev->bus checking consistent

Earlier in the same function dev->bus is checked before dereferenced,
make consistent although I honestly don't know if dev->bus could
ever be NULL

Found by the Coverity tool

Signed-off-by: Alexander Nyberg <alexn@dsv.su.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/base/core.c b/drivers/base/core.c
index a7cedd8cefe5..268a9c8d168b 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -139,7 +139,7 @@ static int dev_hotplug(struct kset *kset, struct kobject *kobj, char **envp,
         buffer = &buffer[length];
         buffer_size -= length;
 
-        if (dev->bus->hotplug) {
+        if (dev->bus && dev->bus->hotplug) {
                 /* have the bus specific function add its stuff */
                 retval = dev->bus->hotplug (dev, envp, num_envp, buffer, buffer_size);
                         if (retval) {