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smack: make smack_parse_opts_str() clean up on failure 

fixes e.g. a btrfs leak...

Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-12-01 22:55:40 -05:00
parent 17f3b556a3
commit 6466f3d193
1 changed files with 1 additions and 0 deletions
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security/smack/smack_lsm.c
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@ -735,6 +735,7 @@ out_err:
kfree(fshat); kfree(fshat);
kfree(fsroot); kfree(fsroot);
kfree(fstransmute); kfree(fstransmute);
security_free_mnt_opts(opts);
return rc; return rc;
} }