[U-Boot] [PATCH] net: zynq_gem: Initialize val variable in zynq_gem_miiphy_read()

phyread can timeout and val will contain random value. Initialize it to zero not to report random value in case of error.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
Reported by: Coverity (local)
--- drivers/net/zynq_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index a817f2e5d69b..d1138fe0903d 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -609,7 +609,7 @@ static int zynq_gem_miiphy_read(struct mii_dev *bus, int addr, { struct zynq_gem_priv *priv = bus->priv; int ret; - u16 val; + u16 val = 0;
ret = phyread(priv, addr, reg, &val); debug("%s 0x%x, 0x%x, 0x%x, 0x%x\n", __func__, addr, reg, val, ret);

On Thu, Jun 14, 2018 at 2:08 AM, Michal Simek michal.simek@xilinx.com wrote:
phyread can timeout and val will contain random value. Initialize it to zero not to report random value in case of error.
Signed-off-by: Michal Simek michal.simek@xilinx.com
Acked-by: Joe Hershberger joe.hershberger@ni.com
Reported by: Coverity (local)
drivers/net/zynq_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index a817f2e5d69b..d1138fe0903d 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -609,7 +609,7 @@ static int zynq_gem_miiphy_read(struct mii_dev *bus, int addr, { struct zynq_gem_priv *priv = bus->priv; int ret;
u16 val;
u16 val = 0; ret = phyread(priv, addr, reg, &val); debug("%s 0x%x, 0x%x, 0x%x, 0x%x\n", __func__, addr, reg, val, ret);
-- 1.9.1
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Hi Michal,
https://patchwork.ozlabs.org/patch/929254/ was applied to http://git.denx.de/?p=u-boot/u-boot-net.git
Thanks! -Joe
participants (2)
-
Joe Hershberger
-
Michal Simek