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Commit cd84db6e authored by Yehuda Sadeh's avatar Yehuda Sadeh Committed by Sage Weil
Browse files

ceph: code cleanup 



Mainly fixing minor issues reported by sparse.

Signed-off-by: default avatarYehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent ca81f3f6

fs/ceph/armor.c

+5 −1
Original line number Diff line number Diff line 


#include <linux/errno.h>



int ceph_armor(char *dst, const char *src, const char *end);

int ceph_unarmor(char *dst, const char *src, const char *end);



/*

 * base64 encode/decode.

 */



const char *pem_key = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

static const char *pem_key =

	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";



static int encode_bits(int c)

{

fs/ceph/auth.c

+3 −3
Original line number Diff line number Diff line
@@ -20,7 +20,7 @@ static u32 supported_protocols[] = { 
	CEPH_AUTH_CEPHX

};



int ceph_auth_init_protocol(struct ceph_auth_client *ac, int protocol)

static int ceph_auth_init_protocol(struct ceph_auth_client *ac, int protocol)

{

	switch (protocol) {

	case CEPH_AUTH_NONE:
@@ -133,7 +133,7 @@ int ceph_auth_build_hello(struct ceph_auth_client *ac, void *buf, size_t len) 
	return -ERANGE;

}



int ceph_build_auth_request(struct ceph_auth_client *ac,

static int ceph_build_auth_request(struct ceph_auth_client *ac,

				   void *msg_buf, size_t msg_len)

{

	struct ceph_mon_request_header *monhdr = msg_buf;

fs/ceph/auth_x.c

+3 −3
Original line number Diff line number Diff line
@@ -87,8 +87,8 @@ static int ceph_x_decrypt(struct ceph_crypto_key *secret, 
/*

 * get existing (or insert new) ticket handler

 */

struct ceph_x_ticket_handler *get_ticket_handler(struct ceph_auth_client *ac,

						 int service)

static struct ceph_x_ticket_handler *

get_ticket_handler(struct ceph_auth_client *ac, int service)

{

	struct ceph_x_ticket_handler *th;

	struct ceph_x_info *xi = ac->private;
@@ -429,7 +429,7 @@ static int ceph_x_build_request(struct ceph_auth_client *ac, 
		auth->struct_v = 1;

		auth->key = 0;

		for (u = (u64 *)tmp_enc; u + 1 <= (u64 *)(tmp_enc + ret); u++)

			auth->key ^= *u;

			auth->key ^= *(__le64 *)u;

		dout(" server_challenge %llx client_challenge %llx key %llx\n",

		     xi->server_challenge, le64_to_cpu(auth->client_challenge),

		     le64_to_cpu(auth->key));

fs/ceph/buffer.c

+0 −16
Original line number Diff line number Diff line
@@ -47,22 +47,6 @@ void ceph_buffer_release(struct kref *kref) 
	kfree(b);

}



int ceph_buffer_alloc(struct ceph_buffer *b, int len, gfp_t gfp)

{

	b->vec.iov_base = kmalloc(len, gfp | __GFP_NOWARN);

	if (b->vec.iov_base) {

		b->is_vmalloc = false;

	} else {

		b->vec.iov_base = __vmalloc(len, gfp, PAGE_KERNEL);

		b->is_vmalloc = true;

	}

	if (!b->vec.iov_base)

		return -ENOMEM;

	b->alloc_len = len;

	b->vec.iov_len = len;

	return 0;

}



int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end)

{

	size_t len;

fs/ceph/caps.c

+3 −3
Original line number Diff line number Diff line
@@ -1194,6 +1194,8 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap, 
 */

void __ceph_flush_snaps(struct ceph_inode_info *ci,

			struct ceph_mds_session **psession)

		__releases(ci->vfs_inode->i_lock)

		__acquires(ci->vfs_inode->i_lock)

{

	struct inode *inode = &ci->vfs_inode;

	int mds;
@@ -1439,7 +1441,6 @@ static int try_nonblocking_invalidate(struct inode *inode) 
 */

void ceph_check_caps(struct ceph_inode_info *ci, int flags,

		     struct ceph_mds_session *session)

	__releases(session->s_mutex)

{

	struct ceph_client *client = ceph_inode_to_client(&ci->vfs_inode);

	struct ceph_mds_client *mdsc = &client->mdsc;
@@ -2257,7 +2258,6 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, 
			     struct ceph_cap *cap,

			     struct ceph_buffer *xattr_buf)

		__releases(inode->i_lock)

	__releases(session->s_mutex)

{

	struct ceph_inode_info *ci = ceph_inode(inode);

	int mds = session->s_mds;