fs: ext4: Fix journal overrun issue reported by Coverity
While &p_jdb[fs->blksz] is a valid expression (it points *one* char sized element past the end of the array, e.g. &p_jdb[fs->blksz + 1] is invalid (according to the C standard (C99/C11)). Changing this to tag = (struct ext3_journal_block_tag *)(p_jdb + ofs); Cc: Stefan Brüns <stefan.bruens@rwth-aachen.de> Suggested-by: NStefan Brüns <stefan.bruens@rwth-aachen.de> Reported-by: Coverity (CID: 165117, 165110) Signed-off-by: NTom Rini <trini@konsulko.com> Reviewed-by: NStefan Brüns <stefan.bruens@rwth-aachen.de>
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