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Tue, 13 Dec 2022 02:37:08 +0000 Received: from PUZPR04MB6316.apcprd04.prod.outlook.com ([fe80::c689:d665:b3a2:d4de]) by PUZPR04MB6316.apcprd04.prod.outlook.com ([fe80::c689:d665:b3a2:d4de%7]) with mapi id 15.20.5924.009; Tue, 13 Dec 2022 02:37:08 +0000 From: "Yuezhang.Mo@sony.com" To: "sj1557.seo@samsung.com" , "linkinjeon@kernel.org" CC: "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Andy.Wu@sony.com" , "Wataru.Aoyama@sony.com" Subject: [PATCH v2 6/7] exfat: fix overflow in sector and cluster conversion Thread-Topic: [PATCH v2 6/7] exfat: fix overflow in sector and cluster conversion Thread-Index: AdkOmq99zRXgAzKURlGtnFNFRSw9uw== Date: Tue, 13 Dec 2022 02:37:08 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: PUZPR04MB6316:EE_|SEZPR04MB6948:EE_ x-ms-office365-filtering-correlation-id: 19179749-d7d1-4ee6-67fa-08dadcb2ee6d x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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Signed-off-by: Yuezhang Mo --- fs/exfat/exfat_fs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index a1e7feb22079..bc6d21d7c5ad 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -400,7 +400,7 @@ static inline sector_t exfat_cluster_to_sector(struct exfat_sb_info *sbi, sbi->data_start_sector; } -static inline int exfat_sector_to_cluster(struct exfat_sb_info *sbi, +static inline unsigned int exfat_sector_to_cluster(struct exfat_sb_info *sbi, sector_t sec) { return ((sec - sbi->data_start_sector) >> sbi->sect_per_clus_bits) +