From 04376ec360d1ccc48c0c13965727d81e7cd70c0b Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 11 Oct 2021 16:59:54 +0200 Subject: [PATCH] squashfs: use bdev_nr_sectors instead of open coding it Use the proper helper to read the block device size. Signed-off-by: Christoph Hellwig --- fs/squashfs/super.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c index 60d6951915f4..e83042ecf0d8 100644 --- a/fs/squashfs/super.c +++ b/fs/squashfs/super.c @@ -16,6 +16,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include #include #include #include @@ -179,8 +180,8 @@ static int squashfs_fill_super(struct super_block *sb, struct fs_context *fc) /* Check the filesystem does not extend beyond the end of the block device */ msblk->bytes_used = le64_to_cpu(sblk->bytes_used); - if (msblk->bytes_used < 0 || msblk->bytes_used > - i_size_read(sb->s_bdev->bd_inode)) + if (msblk->bytes_used < 0 || + msblk->bytes_used > (bdev_nr_sectors(sb->s_bdev) << SECTOR_SHIFT)) goto failed_mount; /* Check block size for sanity */ -- 2.50.1