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(parent: 1a97d89) | patch
fix hostfs_open() use of ->f_path.dentry
authorAl Viro <viro@zeniv.linux.org.uk>
Wed, 9 Dec 2020 23:38:24 +0000 (18:38 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Tue, 22 Dec 2020 02:42:29 +0000 (21:42 -0500)
commit2e2cbaf920d14de9a96180ddefd6861bcc46f07d
tree57d2cf2250889401bdd946a392b361fdb9290abatree | snapshot
parent1a97d899ecbc4b60c8e8f9b41cde443510b5b1bfcommit | diff
fix hostfs_open() use of ->f_path.dentry

this is one of the cases where we need to use d_real() - we are
using more than the name of dentry here.  ->d_sb is used as well,
so in case of hostfs being used as a layer we get the wrong
superblock.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Tested-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/hostfs/hostfs_kern.c diff | blob | history
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