ipmi_si: fix crash on parisc

This patch fixes ipmi crash on parisc introduced in the kernel 4.15-rc.
The pointer io.io_setup is not initialized and thus it causes crash in
try_smi_init when attempting to call new_smi->io.io_setup.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>

diff --git a/drivers/char/ipmi/ipmi_si_parisc.c b/drivers/char/ipmi/ipmi_si_parisc.c
index 090b073ab441961f5c530dd9f453f1f1290e5a08..6b10f0e18a95d7f846edd78d22e392ec0e10cc69 100644 (file)
--- a/drivers/char/ipmi/ipmi_si_parisc.c
+++ b/drivers/char/ipmi/ipmi_si_parisc.c
@@ -10,6 +10,8 @@ static int __init ipmi_parisc_probe(struct parisc_device *dev)
 {
        struct si_sm_io io;
 
+       memset(&io, 0, sizeof(io));
+
        io.si_type      = SI_KCS;
        io.addr_source  = SI_DEVICETREE;
        io.addr_type    = IPMI_MEM_ADDR_SPACE;