Commit 7a0e4048 authored by Russell King's avatar Russell King Committed by Al Viro
Browse files

fs/adfs: newdir: improve directory validation 



Check that the lastmask and reserved fields are all zero, as per the
documentation.

Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent ffc8df34

fs/adfs/dir_f.c

+1 −0
Original line number Diff line number Diff line
@@ -127,6 +127,7 @@ static int adfs_f_validate(struct adfs_dir *dir) 
	struct adfs_newdirtail *tail = dir->newtail;



	if (head->startmasseq != tail->endmasseq ||

	    tail->dirlastmask || tail->reserved[0] || tail->reserved[1] ||

	    (memcmp(&head->startname, "Nick", 4) &&

	     memcmp(&head->startname, "Hugo", 4)) ||

	    memcmp(&head->startname, &tail->endname, 4) ||