fs/ext4: Initialize group descriptor size for revision level 0 filesystems
authorStefan Brüns <stefan.bruens@rwth-aachen.de>
Tue, 27 Dec 2016 01:35:08 +0000 (02:35 +0100)
committerTom Rini <trini@konsulko.com>
Tue, 27 Dec 2016 16:24:18 +0000 (11:24 -0500)
genext2fs creates revision level 0 filesystems, which are not readable
by u-boot due to the initialized group descriptor size field.
f798b1dda1c5de818b806189e523d1b75db7e72d

Reported-by: Kever Yang <kever.yang@rock-chips.com>
Reported-by: FrostyBytes@protonmail.com
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
fs/ext4/ext4_common.c

index bfebe7e3799be3fa8735a2d8bdbc0dd6376863b2..621c61e5c7915529cf0bc92a7ab7d3fc31adc1c1 100644 (file)
@@ -2334,6 +2334,7 @@ int ext4fs_mount(unsigned part_length)
 
        if (le32_to_cpu(data->sblock.revision_level) == 0) {
                fs->inodesz = 128;
+               fs->gdsize = 32;
        } else {
                debug("EXT4 features COMPAT: %08x INCOMPAT: %08x RO_COMPAT: %08x\n",
                      __le32_to_cpu(data->sblock.feature_compatibility),