From: Yuezhang Mo Yuezhang.Mo@sony.com
[ Upstream commit 40306b4d1ba25970dafd53432e8daa5d591ebd99 ]
According to the exFAT specification, there are at most 2^32-11 clusters in a volume. so using 'int' is not enough for cluster index, the return value type of exfat_sector_to_cluster() should be 'unsigned int'.
Signed-off-by: Yuezhang Mo Yuezhang.Mo@sony.com Reviewed-by: Sungjong Seo sj1557.seo@samsung.com Signed-off-by: Namjae Jeon linkinjeon@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 0d139c7d150d..5c5ddd4e3a2f 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -373,7 +373,7 @@ 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) +