[dpdk-dev] [PATCH v2 2/2] raw/ifpga: fix logically dead code
Zhang, Tianfei
tianfei.zhang at intel.com
Tue Jun 4 17:51:49 CEST 2019
add temporary variable in max10_reg_write().
Coverity issue: 337927
Fixes: 96ebfcf ("raw/ifpga/base: add SPI and MAX10 device driver")
Cc: stable at dpdk.org
Signed-off-by: Zhang, Tianfei <tianfei.zhang at intel.com>
---
drivers/raw/ifpga_rawdev/base/opae_intel_max10.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/raw/ifpga_rawdev/base/opae_intel_max10.c b/drivers/raw/ifpga_rawdev/base/opae_intel_max10.c
index f354ee4b6..3ff6575d7 100644
--- a/drivers/raw/ifpga_rawdev/base/opae_intel_max10.c
+++ b/drivers/raw/ifpga_rawdev/base/opae_intel_max10.c
@@ -17,11 +17,13 @@ int max10_reg_read(unsigned int reg, unsigned int *val)
int max10_reg_write(unsigned int reg, unsigned int val)
{
+ unsigned int tmp = val;
+
if (!g_max10)
return -ENODEV;
return spi_transaction_write(g_max10->spi_tran_dev,
- reg, 4, (unsigned char *)&val);
+ reg, 4, (unsigned char *)&tmp);
}
struct intel_max10_device *
@@ -57,7 +59,7 @@ intel_max10_device_probe(struct altera_spi_device *spi,
/* set PKVL Polling manually in BBS */
ret = max10_reg_write(PKVL_POLLING_CTRL, 0x3);
- if (ret) {
+ if (ret != 0) {
dev_err(dev, "%s set PKVL polling fail\n", __func__);
goto spi_tran_fail;
}
--
2.17.1
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