Hi Long, [auto build test ERROR on cifs/for-next] [also build test ERROR on v4.14-rc3 next-20170929] [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/Long-Li/CIFS-Implement-SMBDirect/20171004-165915 base: git://git.samba.org/sfrench/cifs-2.6.git for-next config: i386-randconfig-x005-201740 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): fs/cifs/smbdirect.c: In function 'smbd_recv_page': >> fs/cifs/smbdirect.c:1923:15: error: implicit declaration of function >> 'kmap_atomic' [-Werror=implicit-function-declaration] to_address = kmap_atomic(page); ^~~~~~~~~~~ >> fs/cifs/smbdirect.c:1923:13: warning: assignment makes pointer from integer >> without a cast [-Wint-conversion] to_address = kmap_atomic(page); ^ >> fs/cifs/smbdirect.c:1929:2: error: implicit declaration of function >> 'kunmap_atomic' [-Werror=implicit-function-declaration] kunmap_atomic(to_address); ^~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/kmap_atomic +1923 fs/cifs/smbdirect.c 1901 1902 /* 1903 * Receive a page from receive reassembly queue 1904 * page: the page to read data into 1905 * to_read: the length of data to read 1906 * return value: actual data read 1907 */ 1908 int smbd_recv_page(struct smbd_connection *info, 1909 struct page *page, unsigned int to_read) 1910 { 1911 int ret; 1912 char *to_address; 1913 1914 /* make sure we have the page ready for read */ 1915 ret = wait_event_interruptible( 1916 info->wait_reassembly_queue, 1917 info->reassembly_data_length >= to_read || 1918 info->transport_status != SMBD_CONNECTED); 1919 if (ret) 1920 return 0; 1921 1922 /* now we can read from reassembly queue and not sleep */ > 1923 to_address = kmap_atomic(page); 1924 1925 log_read(INFO, "reading from page=%p address=%p to_read=%d\n", 1926 page, to_address, to_read); 1927 1928 ret = smbd_recv_buf(info, to_address, to_read); > 1929 kunmap_atomic(to_address); 1930 1931 return ret; 1932 } 1933 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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