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-rw-r--r--drivers/base/core.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index b78fc1e..dd40d78 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -180,10 +180,12 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj, char **envp,
const char *path;
path = kobject_get_path(&parent->kobj, GFP_KERNEL);
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVPATH=%s", path);
- kfree(path);
+ if (path) {
+ add_uevent_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "PHYSDEVPATH=%s", path);
+ kfree(path);
+ }
add_uevent_var(envp, num_envp, &i,
buffer, buffer_size, &length,