From: appana.durga.rao@xilinx.com (Kedareswara rao Appana)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] dmaengine: zynqmp_dma: Fix static checker warning
Date: Wed, 13 Jul 2016 16:12:16 +0530 [thread overview]
Message-ID: <1468406536-6350-1-git-send-email-appanad@xilinx.com> (raw)
This patch fixes the below static checker warning
drivers/dma/xilinx/zynqmp_dma.c:973 zynqmp_dma_chan_probe()
warn: was && intended here instead of ||?
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
---
drivers/dma/xilinx/zynqmp_dma.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c
index f777a5b..2248704 100644
--- a/drivers/dma/xilinx/zynqmp_dma.c
+++ b/drivers/dma/xilinx/zynqmp_dma.c
@@ -970,8 +970,13 @@ static int zynqmp_dma_chan_probe(struct zynqmp_dma_device *zdev,
chan->dst_burst_len = ZYNQMP_DMA_AWLEN_RST_VAL;
chan->src_burst_len = ZYNQMP_DMA_ARLEN_RST_VAL;
err = of_property_read_u32(node, "xlnx,bus-width", &chan->bus_width);
- if ((err < 0) && ((chan->bus_width != ZYNQMP_DMA_BUS_WIDTH_64) ||
- (chan->bus_width != ZYNQMP_DMA_BUS_WIDTH_128))) {
+ if (err < 0) {
+ dev_err(&pdev->dev, "missing xlnx,bus-width property\n");
+ return err;
+ }
+
+ if ((chan->bus_width != ZYNQMP_DMA_BUS_WIDTH_64) ||
+ (chan->bus_width != ZYNQMP_DMA_BUS_WIDTH_128)) {
dev_err(zdev->dev, "invalid bus-width value");
return err;
}
--
1.7.1
WARNING: multiple messages have this Message-ID (diff)
From: Kedareswara rao Appana <appana.durga.rao@xilinx.com>
To: <dan.j.williams@intel.com>, <vinod.koul@intel.com>,
<michal.simek@xilinx.com>, <soren.brinkmann@xilinx.com>,
<appanad@xilinx.com>, <arnd@arndb.de>, <dan.carpenter@oracle.com>
Cc: <dmaengine@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Subject: [PATCH] dmaengine: zynqmp_dma: Fix static checker warning
Date: Wed, 13 Jul 2016 16:12:16 +0530 [thread overview]
Message-ID: <1468406536-6350-1-git-send-email-appanad@xilinx.com> (raw)
This patch fixes the below static checker warning
drivers/dma/xilinx/zynqmp_dma.c:973 zynqmp_dma_chan_probe()
warn: was && intended here instead of ||?
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
---
drivers/dma/xilinx/zynqmp_dma.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c
index f777a5b..2248704 100644
--- a/drivers/dma/xilinx/zynqmp_dma.c
+++ b/drivers/dma/xilinx/zynqmp_dma.c
@@ -970,8 +970,13 @@ static int zynqmp_dma_chan_probe(struct zynqmp_dma_device *zdev,
chan->dst_burst_len = ZYNQMP_DMA_AWLEN_RST_VAL;
chan->src_burst_len = ZYNQMP_DMA_ARLEN_RST_VAL;
err = of_property_read_u32(node, "xlnx,bus-width", &chan->bus_width);
- if ((err < 0) && ((chan->bus_width != ZYNQMP_DMA_BUS_WIDTH_64) ||
- (chan->bus_width != ZYNQMP_DMA_BUS_WIDTH_128))) {
+ if (err < 0) {
+ dev_err(&pdev->dev, "missing xlnx,bus-width property\n");
+ return err;
+ }
+
+ if ((chan->bus_width != ZYNQMP_DMA_BUS_WIDTH_64) ||
+ (chan->bus_width != ZYNQMP_DMA_BUS_WIDTH_128)) {
dev_err(zdev->dev, "invalid bus-width value");
return err;
}
--
1.7.1
next reply other threads:[~2016-07-13 10:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-13 10:42 Kedareswara rao Appana [this message]
2016-07-13 10:42 ` [PATCH] dmaengine: zynqmp_dma: Fix static checker warning Kedareswara rao Appana
2016-07-13 11:31 ` Dan Carpenter
2016-07-13 11:31 ` Dan Carpenter
2016-07-13 12:00 ` Appana Durga Kedareswara Rao
2016-07-13 12:00 ` Appana Durga Kedareswara Rao
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