From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Laight Date: Mon, 21 Mar 2022 16:02:20 +0000 Subject: [Intel-wired-lan] [PATCH v2] ice: use min_t() to make code cleaner in ice_gnss In-Reply-To: <20220321135947.378250-1-wanjiabing@vivo.com> References: <20220321135947.378250-1-wanjiabing@vivo.com> Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: From: Wan Jiabing > Sent: 21 March 2022 14:00 > > Fix the following coccicheck warning: > ./drivers/net/ethernet/intel/ice/ice_gnss.c:79:26-27: WARNING opportunity for min() > > Signed-off-by: Wan Jiabing > --- > Changelog: > v2: > - Use typeof(bytes_left) instead of u8. > --- > drivers/net/ethernet/intel/ice/ice_gnss.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/net/ethernet/intel/ice/ice_gnss.c b/drivers/net/ethernet/intel/ice/ice_gnss.c > index 35579cf4283f..57586a2e6dec 100644 > --- a/drivers/net/ethernet/intel/ice/ice_gnss.c > +++ b/drivers/net/ethernet/intel/ice/ice_gnss.c > @@ -76,8 +76,7 @@ static void ice_gnss_read(struct kthread_work *work) > for (i = 0; i < data_len; i += bytes_read) { > u16 bytes_left = data_len - i; Oh FFS why is that u16? Don't do arithmetic on anything smaller than 'int' David > > - bytes_read = bytes_left < ICE_MAX_I2C_DATA_SIZE ? bytes_left : > - ICE_MAX_I2C_DATA_SIZE; > + bytes_read = min_t(typeof(bytes_left), bytes_left, ICE_MAX_I2C_DATA_SIZE); > > err = ice_aq_read_i2c(hw, link_topo, ICE_GNSS_UBX_I2C_BUS_ADDR, > cpu_to_le16(ICE_GNSS_UBX_EMPTY_DATA), > -- > 2.35.1 - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)