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SubjectRe: [PATCH v2] staging: octeon: fix line over 80 characters
Hi John,

[auto build test WARNING on staging/staging-testing]
[also build test WARNING on v4.13-rc2 next-20170728]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/catalinnow-gmail-com/staging-octeon-fix-line-over-80-characters/20170728-071556
config: mips-cavium_octeon_defconfig (attached as .config)
compiler: mips64-linux-gnuabi64-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=mips

All warnings (new ones prefixed by >>):

drivers/staging/octeon/ethernet-rx.c: In function 'copy_segments_to_skb':
>> drivers/staging/octeon/ethernet-rx.c:173:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
int segment_size =
^~~

vim +173 drivers/staging/octeon/ethernet-rx.c

151
152 static void copy_segments_to_skb(cvmx_wqe_t *work, struct sk_buff *skb)
153 {
154 int segments = work->word2.s.bufs;
155 union cvmx_buf_ptr segment_ptr = work->packet_ptr;
156 int len = work->word1.len;
157
158 while (segments--) {
159 union cvmx_buf_ptr next_ptr;
160
161 next_ptr = *(union cvmx_buf_ptr *)
162 cvmx_phys_to_ptr(segment_ptr.s.addr - 8);
163
164 /*
165 * Octeon Errata PKI-100: The segment size is wrong.
166 *
167 * Until it is fixed, calculate the segment size based on
168 * the packet pool buffer size.
169 * When it is fixed, the following line should be replaced
170 * with this one:
171 * int segment_size = segment_ptr.s.size;
172 */
> 173 int segment_size =
174 CVMX_FPA_PACKET_POOL_SIZE -
175 (segment_ptr.s.addr -
176 (((segment_ptr.s.addr >> 7) -
177 segment_ptr.s.back) << 7));
178
179 /* Don't copy more than what is left in the packet */
180 if (segment_size > len)
181 segment_size = len;
182
183 /* Copy the data into the packet */
184 skb_put_data(skb, cvmx_phys_to_ptr(segment_ptr.s.addr),
185 segment_size);
186 len -= segment_size;
187 segment_ptr = next_ptr;
188 }
189 }
190

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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