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libext2fs: avoid pointer arithmetic on void *

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The pointer operand to the binary `+` operator must be to a complete
object type.

Signed-off-by: Michael Forney <mforney@mforney.org>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Michael Forney 2020-04-04 21:53:46 -07:00 committed by Theodore Ts'o
parent df5487a990
commit 1bc7feaef5
1 changed files with 1 additions and 1 deletions
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2
lib/ext2fs/csum.c
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@ -274,7 +274,7 @@ static errcode_t __get_dirent_tail(ext2_filsys fs,
rec_len = translate(d->rec_len);
}
if ((void *)d > ((void *)dirent + fs->blocksize))
if ((char *)d > ((char *)dirent + fs->blocksize))
return EXT2_ET_DIR_CORRUPTED;
if (d != top)
return EXT2_ET_DIR_NO_SPACE_FOR_CSUM;