Nandakumar Raghavan
fd6506eb9a
probe_sector_size() returns 1 when it successfully determines the sector size, 0 when falling back to the default. blockdev_get_sector_size() returns 0 on success. probe_sector_size_prefer_ioctl() was passing blockdev_get_sector_size() return value through directly, so caller is checking r > 0 to detect a successfully probed sector size never saw it for block devices. In context_load_partition_table(), this caused fs_secsz to stay at 4096 bytes even on 512-byte sector block devices, making verity hash partition sizes wrong unless --sector-size=512 was passed explicitly. Fix by returning 1 on success from the block device path to match probe_sector_size() convention.
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