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If the ext3 journal gets out of sync with what is written on disk, for example because of an unexpected power cut, ext4fs_read_file can return an all-zero directory entry. In that case, ext4fs_iterate_dir would infinite loop. This patch detects when a directory entry's direntlen member is 0 and returns a failure status, which breaks out of the infinite loop. As a result, U-Boot will not find files that may subsequently be recovered when the journal is replayed. This is better behaviour than hanging in an infinite loop, but as a further improvement maybe U-Boot could interpret the ext3 journal and actually find the unsynced entries. Signed-off-by: Thomas Fitzsimmons <fitzsim@cisco.com> Reviewed-by: Stefan Roese <sr@denx.de> |
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| .. | ||
| crc16.c | ||
| crc16.h | ||
| dev.c | ||
| ext4_common.c | ||
| ext4_common.h | ||
| ext4_journal.c | ||
| ext4_journal.h | ||
| ext4_write.c | ||
| ext4fs.c | ||
| Kconfig | ||
| Makefile | ||