linux-kernel - [PATCH] tpm/tpm_ibmvtpm: fix unreachable code warning (smatch warning)

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Message-Id: <1383008397-28505-1-git-send-email-peterhuewe@gmx.de>
Date:	Tue, 29 Oct 2013 01:59:57 +0100
From:	Peter Huewe <peterhuewe@....de>
To:	Ashley Lai <ashley@...leylai.com>
Cc:	Peter Huewe <peterhuewe@....de>, Rajiv Andrade <mail@...jiv.net>,
	Marcel Selhorst <tpmdd@...horst.net>,
	tpmdd-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: [PATCH] tpm/tpm_ibmvtpm: fix unreachable code warning (smatch warning)

smatch complains:
/data/data-old/linux-2.6/drivers/char/tpm/tpm_ibmvtpm.c:510
ibmvtpm_crq_process() info: ignoring unreachable code.

-> The return is not necessary here, remove it

Signed-off-by: Peter Huewe <peterhuewe@....de>
---
 drivers/char/tpm/tpm_ibmvtpm.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
index 2783a42..cab8d09 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.c
+++ b/drivers/char/tpm/tpm_ibmvtpm.c
@@ -507,7 +507,6 @@ static void ibmvtpm_crq_process(struct ibmvtpm_crq *crq,
 			dev_err(ibmvtpm->dev, "Unknown crq message type: %d\n", crq->msg);
 			return;
 		}
-		return;
 	case IBMVTPM_VALID_CMD:
 		switch (crq->msg) {
 		case VTPM_GET_RTCE_BUFFER_SIZE_RES:
-- 
1.7.8.6

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