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Tue, 14 Sep 2021 09:57:30 +0000 Date: Tue, 14 Sep 2021 12:57:13 +0300 From: Dan Carpenter To: kbuild@lists.01.org, =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= Cc: lkp@intel.com, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Miquel Raynal Subject: drivers/mtd/parsers/ofpart_bcm4908.c:41 bcm4908_partitions_fw_offset() warn: should 'offset << 10' be a 64 bit type? 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bb17230c61a6424b Rafał Miłecki 2021-03-01 20 struct property *prop; bb17230c61a6424b Rafał Miłecki 2021-03-01 21 const char *s; bb17230c61a6424b Rafał Miłecki 2021-03-01 22 bb17230c61a6424b Rafał Miłecki 2021-03-01 23 root = of_find_node_by_path("/"); bb17230c61a6424b Rafał Miłecki 2021-03-01 24 if (!root) bb17230c61a6424b Rafał Miłecki 2021-03-01 25 return -ENOENT; bb17230c61a6424b Rafał Miłecki 2021-03-01 26 bb17230c61a6424b Rafał Miłecki 2021-03-01 27 of_property_for_each_string(root, "brcm_blparms", prop, s) { bb17230c61a6424b Rafał Miłecki 2021-03-01 28 size_t len = strlen(BLPARAMS_FW_OFFSET); bb17230c61a6424b Rafał Miłecki 2021-03-01 29 unsigned long offset; bb17230c61a6424b Rafał Miłecki 2021-03-01 30 int err; bb17230c61a6424b Rafał Miłecki 2021-03-01 31 bb17230c61a6424b Rafał Miłecki 2021-03-01 32 if (strncmp(s, BLPARAMS_FW_OFFSET, len) || s[len] != '=') bb17230c61a6424b Rafał Miłecki 2021-03-01 33 continue; bb17230c61a6424b Rafał Miłecki 2021-03-01 34 bb17230c61a6424b Rafał Miłecki 2021-03-01 35 err = kstrtoul(s + len + 1, 0, &offset); bb17230c61a6424b Rafał Miłecki 2021-03-01 36 if (err) { bb17230c61a6424b Rafał Miłecki 2021-03-01 37 pr_err("failed to parse %s\n", s + len + 1); bb17230c61a6424b Rafał Miłecki 2021-03-01 38 return err; bb17230c61a6424b Rafał Miłecki 2021-03-01 39 } bb17230c61a6424b Rafał Miłecki 2021-03-01 40 bb17230c61a6424b Rafał Miłecki 2021-03-01 @41 return offset << 10; There is a kind of mismatch between offset which is unsigned long and bcm4908_partitions_fw_offset() which returns u64. bb17230c61a6424b Rafał Miłecki 2021-03-01 42 } bb17230c61a6424b Rafał Miłecki 2021-03-01 43 bb17230c61a6424b Rafał Miłecki 2021-03-01 44 return -ENOENT; bb17230c61a6424b Rafał Miłecki 2021-03-01 45 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org