The ray_config uses ray_release as its unified error handling function. However, it does not know if local->sram/rmem/amem succeeds or not. Fix this by adding sanity check on local->sram/rmem/amem in the ray_relase. Signed-off-by: Dongliang Mu <dzm91@xxxxxxxxxxx> --- drivers/net/wireless/ray_cs.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c index ce7911137014..808b37352f39 100644 --- a/drivers/net/wireless/ray_cs.c +++ b/drivers/net/wireless/ray_cs.c @@ -732,9 +732,12 @@ static void ray_release(struct pcmcia_device *link) del_timer_sync(&local->timer); - iounmap(local->sram); - iounmap(local->rmem); - iounmap(local->amem); + if (local->sram) + iounmap(local->sram); + if (local->rmem) + iounmap(local->rmem); + if (local->amem) + iounmap(local->amem); pcmcia_disable_device(link); dev_dbg(&link->dev, "ray_release ending\n"); -- 2.39.2