linux-kernel - [PATCH] staging: rts5208: fix always true condition

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Date:	Sat, 15 Feb 2014 10:44:35 +0100
From:	Levente Kurusa <levex@...ux.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Micky Ching <micky_ching@...lsil.com.cn>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	OSUOSL Drivers <devel@...verdev.osuosl.org>,
	David Binderman <dcb314@...mail.com>,
	Levente Kurusa <levex@...ux.com>
Subject: [PATCH] staging: rts5208: fix always true condition

ANDing anything with 0x1E and expecting it to be not 0x03 will always
be true. AND instead with 0x03, so that we check the last two bits,
which should be what was intended there.

Reported-by: David Binderman <dcb314@...mail.com>
Signed-off-by: Levente Kurusa <levex@...ux.com>
---
 drivers/staging/rts5208/sd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rts5208/sd.c b/drivers/staging/rts5208/sd.c
index c7c1f54..03548e5 100644
--- a/drivers/staging/rts5208/sd.c
+++ b/drivers/staging/rts5208/sd.c
@@ -3512,7 +3512,7 @@ RTY_SEND_CMD:
 					TRACE_RET(chip, STATUS_FAIL);
 
 			} else if (rsp_type == SD_RSP_TYPE_R0) {
-				if ((ptr[3] & 0x1E) != 0x03)
+				if ((ptr[3] & 0x03) != 0x03)
 					TRACE_RET(chip, STATUS_FAIL);
 			}
 		}
-- 
1.8.3.1

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