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Commit dc711ca3 authored by Al Viro's avatar Al Viro
Browse files

fix switch_names() breakage in short-to-short case 



We want ->name.len to match the resulting name on *both*
source and target

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 7df5fa06

fs/dcache.c

+3 −2
Original line number Diff line number Diff line
@@ -1616,8 +1616,11 @@ static void switch_names(struct dentry *dentry, struct dentry *target) 
			 */

			memcpy(dentry->d_iname, target->d_name.name,

					target->d_name.len + 1);

			dentry->d_name.len = target->d_name.len;

			return;

		}

	}

	do_switch(dentry->d_name.len, target->d_name.len);

}



/*
@@ -1677,7 +1680,6 @@ already_unhashed: 


	/* Switch the names.. */

	switch_names(dentry, target);

	do_switch(dentry->d_name.len, target->d_name.len);

	do_switch(dentry->d_name.hash, target->d_name.hash);



	/* ... and switch the parents */
@@ -1787,7 +1789,6 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon) 
	struct dentry *dparent, *aparent;



	switch_names(dentry, anon);

	do_switch(dentry->d_name.len, anon->d_name.len);

	do_switch(dentry->d_name.hash, anon->d_name.hash);



	dparent = dentry->d_parent;