[PATCH 44/46] mod_sysfs_setup() doesn't return errno when kobject_add_dir() failure occurs

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From: Akinobu Mita <[email protected]>

mod_sysfs_setup() doesn't return an errno when kobject_add_dir() for module
"holders" directory fails.  So caller of mod_sysfs_setup() will keep going
and get oops.

Signed-off-by: Akinobu Mita <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 kernel/module.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/kernel/module.c b/kernel/module.c
index dcdb32b..9da5af6 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1148,8 +1148,10 @@ int mod_sysfs_setup(struct module *mod,
 		goto out;
 
 	mod->holders_dir = kobject_add_dir(&mod->mkobj.kobj, "holders");
-	if (!mod->holders_dir)
+	if (!mod->holders_dir) {
+		err = -ENOMEM;
 		goto out_unreg;
+	}
 
 	err = module_param_sysfs_setup(mod, kparam, num_params);
 	if (err)
-- 
1.5.1.2

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