Re: [PATCH] net: wimax: i2400m: control.c: Cleaning up conjunction always evaluates to false

From: Joe Perches
Date: Sat Jun 07 2014 - 07:43:13 EST


On Sat, 2014-06-07 at 13:26 +0200, Rickard Strandqvist wrote:
> Logical conjunction always evaluates to false: minor < 2 && minor > 1
> I guess what you wanted is rather: minor > 2 || minor < 1
[]
> diff --git a/drivers/net/wimax/i2400m/control.c b/drivers/net/wimax/i2400m/control.c
[]
> @@ -1061,7 +1061,7 @@ int i2400m_firmware_check(struct i2400m *i2400m)
> goto error_bad_major;
> }
> result = 0;
> - if (minor < I2400M_HDIv_MINOR_2 && minor > I2400M_HDIv_MINOR)
> + if (minor > I2400M_HDIv_MINOR_2 || minor < I2400M_HDIv_MINOR)

perhaps clearer as:

if (!(minor == I2400M_HDIv_MINOR || minor == I2400M_HDIv_MINOR_2))

> dev_warn(dev, "untested minor fw version %u.%u.%u\n",
> major, minor, branch);
> /* Yes, we ignore the branch -- we don't have to track it */



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