From c4aca0c09f80ca40dbcecb2370af9594fbe9051d Mon Sep 17 00:00:00 2001 From: Shirish Pargaonkar Date: Fri, 6 May 2011 02:35:00 -0500 Subject: [PATCH] cifs: Change key name to cifs.idmap, misc. clean-up Change idmap key name from cifs.cifs_idmap to cifs.idmap. Removed unused structure wksidarr and function match_sid(). Handle errors correctly in function init_cifs(). Signed-off-by: Shirish Pargaonkar Reviewed-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/cifsacl.c | 59 +---------------------------------------------- fs/cifs/cifsacl.h | 1 - fs/cifs/cifsfs.c | 8 ++++--- 3 files changed, 6 insertions(+), 62 deletions(-) diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c index bfb5ba5a271..f3c6fb9942a 100644 --- a/fs/cifs/cifsacl.c +++ b/fs/cifs/cifsacl.c @@ -33,18 +33,6 @@ #include "cifsproto.h" #include "cifs_debug.h" - -static struct cifs_wksid wksidarr[NUM_WK_SIDS] = { - {{1, 0, {0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0} }, "null user"}, - {{1, 1, {0, 0, 0, 0, 0, 1}, {0, 0, 0, 0, 0} }, "nobody"}, - {{1, 1, {0, 0, 0, 0, 0, 5}, {__constant_cpu_to_le32(11), 0, 0, 0, 0} }, "net-users"}, - {{1, 1, {0, 0, 0, 0, 0, 5}, {__constant_cpu_to_le32(18), 0, 0, 0, 0} }, "sys"}, - {{1, 2, {0, 0, 0, 0, 0, 5}, {__constant_cpu_to_le32(32), __constant_cpu_to_le32(544), 0, 0, 0} }, "root"}, - {{1, 2, {0, 0, 0, 0, 0, 5}, {__constant_cpu_to_le32(32), __constant_cpu_to_le32(545), 0, 0, 0} }, "users"}, - {{1, 2, {0, 0, 0, 0, 0, 5}, {__constant_cpu_to_le32(32), __constant_cpu_to_le32(546), 0, 0, 0} }, "guest"} } -; - - /* security id for everyone/world system group */ static const struct cifs_sid sid_everyone = { 1, 1, {0, 0, 0, 0, 0, 1}, {0} }; @@ -131,7 +119,7 @@ cifs_idmap_key_destroy(struct key *key) } struct key_type cifs_idmap_key_type = { - .name = "cifs.cifs_idmap", + .name = "cifs.idmap", .instantiate = cifs_idmap_key_instantiate, .destroy = cifs_idmap_key_destroy, .describe = user_describe, @@ -435,51 +423,6 @@ cifs_destroy_idmaptrees(void) spin_unlock(&sidgidlock); } -int match_sid(struct cifs_sid *ctsid) -{ - int i, j; - int num_subauth, num_sat, num_saw; - struct cifs_sid *cwsid; - - if (!ctsid) - return -1; - - for (i = 0; i < NUM_WK_SIDS; ++i) { - cwsid = &(wksidarr[i].cifssid); - - /* compare the revision */ - if (ctsid->revision != cwsid->revision) - continue; - - /* compare all of the six auth values */ - for (j = 0; j < 6; ++j) { - if (ctsid->authority[j] != cwsid->authority[j]) - break; - } - if (j < 6) - continue; /* all of the auth values did not match */ - - /* compare all of the subauth values if any */ - num_sat = ctsid->num_subauth; - num_saw = cwsid->num_subauth; - num_subauth = num_sat < num_saw ? num_sat : num_saw; - if (num_subauth) { - for (j = 0; j < num_subauth; ++j) { - if (ctsid->sub_auth[j] != cwsid->sub_auth[j]) - break; - } - if (j < num_subauth) - continue; /* all sub_auth values do not match */ - } - - cFYI(1, "matching sid: %s\n", wksidarr[i].sidname); - return 0; /* sids compare/match */ - } - - cFYI(1, "No matching sid"); - return -1; -} - /* if the two SIDs (roughly equivalent to a UUID for a user or group) are the same returns 1, if they do not match returns 0 */ int compare_sids(const struct cifs_sid *ctsid, const struct cifs_sid *cwsid) diff --git a/fs/cifs/cifsacl.h b/fs/cifs/cifsacl.h index 757cf5aec3e..5c902c7ce52 100644 --- a/fs/cifs/cifsacl.h +++ b/fs/cifs/cifsacl.h @@ -98,7 +98,6 @@ extern struct key_type cifs_idmap_key_type; extern const struct cred *root_cred; #endif /* KERNEL */ -extern int match_sid(struct cifs_sid *); extern int compare_sids(const struct cifs_sid *, const struct cifs_sid *); #endif /* _CIFSACL_H */ diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 2b8e47e5e53..ed92c7d3637 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -1046,21 +1046,23 @@ init_cifs(void) #ifdef CONFIG_CIFS_ACL rc = init_cifs_idmap(); if (rc) - goto out_destroy_request_bufs; + goto out_register_key_type; #endif /* CONFIG_CIFS_ACL */ rc = register_filesystem(&cifs_fs_type); if (rc) - goto out_destroy_request_bufs; + goto out_init_cifs_idmap; return 0; -out_destroy_request_bufs: +out_init_cifs_idmap: #ifdef CONFIG_CIFS_ACL exit_cifs_idmap(); +out_register_key_type: #endif #ifdef CONFIG_CIFS_UPCALL unregister_key_type(&cifs_spnego_key_type); +out_destroy_request_bufs: #endif cifs_destroy_request_bufs(); out_destroy_mids: -- 2.46.0