From: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Date: Fri, 19 May 2017 20:17:59 +0000 (-0400)
Subject: staging: unisys: visorbus: remove channel_addr check in handle_command
X-Git-Tag: v4.13-rc1~184^2~271
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d70dd245215d6456584119534e6870a9c7b9b9c2;p=karo-tx-linux.git

staging: unisys: visorbus: remove channel_addr check in handle_command

Removed a check for physaddr=0 in handle_command() function in
visorchipset.c.

Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c
index 8438b717b7b6..22150564b4fb 100644
--- a/drivers/staging/unisys/visorbus/visorchipset.c
+++ b/drivers/staging/unisys/visorbus/visorchipset.c
@@ -1593,9 +1593,6 @@ handle_command(struct controlvm_message inmsg, u64 channel_addr)
 
 	/* create parsing context if necessary */
 	local_addr = (inmsg.hdr.flags.test_message == 1);
-	if (channel_addr == 0)
-		return -EINVAL;
-
 	parm_addr = channel_addr + inmsg.hdr.payload_vm_offset;
 	parm_bytes = inmsg.hdr.payload_bytes;