From: Shirish Pargaonkar <shirishpargaonkar@xxxxxxxxx>
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 <shirishpargaonkar@xxxxxxxxx>
---
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 bfb5ba5..f3c6fb9 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 757cf5a..5c902c7 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 2b8e47e..ed92c7d 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:
--
1.6.0.2
--
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