From 3116aabc81ccfeeb73f183ed8b1e3031520d1e59 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 18 Mar 2011 10:12:38 +0300 Subject: efivars: handle errors from register_efivars() We should unwind and return an error if register_efivars() fails. Signed-off-by: Dan Carpenter Acked-by: Mike Waychison Signed-off-by: Greg Kroah-Hartman --- drivers/firmware/efivars.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c index ff2fe4095228..5d1ec6898e7c 100644 --- a/drivers/firmware/efivars.c +++ b/drivers/firmware/efivars.c @@ -803,6 +803,8 @@ efivars_init(void) ops.set_variable = efi.set_variable; ops.get_next_variable = efi.get_next_variable; error = register_efivars(&__efivars, &ops, efi_kobj); + if (error) + goto err_put; /* Don't forget the systab entry */ error = sysfs_create_group(efi_kobj, &efi_subsys_attr_group); @@ -810,10 +812,15 @@ efivars_init(void) printk(KERN_ERR "efivars: Sysfs attribute export failed with error %d.\n", error); - unregister_efivars(&__efivars); - kobject_put(efi_kobj); + goto err_unregister; } + return 0; + +err_unregister: + unregister_efivars(&__efivars); +err_put: + kobject_put(efi_kobj); return error; } -- cgit v1.2.3