irqchip: crossbar: Set cb pointer to null in case of error

If crossbar_of_init returns with a error, then set the cb pointer
to null.

Signed-off-by: Sricharan R <r.sricharan@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Link: https://lkml.kernel.org/r/1403766634-18543-12-git-send-email-r.sricharan@ti.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
index afc35fd1d9aa..a8c615692803 100644
--- a/drivers/irqchip/irq-crossbar.c
+++ b/drivers/irqchip/irq-crossbar.c
@@ -250,6 +250,8 @@ err_base:
         iounmap(cb->crossbar_base);
 err_cb:
         kfree(cb);
+
+        cb = NULL;
         return ret;
 }