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path: root/fs/ceph/mds_client.c
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Diffstat (limited to 'fs/ceph/mds_client.c')
-rw-r--r--fs/ceph/mds_client.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index e53437154cfe..9dd6b836ac9e 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -408,7 +408,7 @@ struct ceph_mds_session *__ceph_lookup_mds_session(struct ceph_mds_client *mdsc,
{
struct ceph_mds_session *session;
- if (mds >= mdsc->max_sessions || mdsc->sessions[mds] == NULL)
+ if (mds >= mdsc->max_sessions || !mdsc->sessions[mds])
return NULL;
session = mdsc->sessions[mds];
dout("lookup_mds_session %p %d\n", session,
@@ -483,7 +483,7 @@ static struct ceph_mds_session *register_session(struct ceph_mds_client *mdsc,
dout("register_session realloc to %d\n", newmax);
sa = kcalloc(newmax, sizeof(void *), GFP_NOFS);
- if (sa == NULL)
+ if (!sa)
goto fail_realloc;
if (mdsc->sessions) {
memcpy(sa, mdsc->sessions,
@@ -893,7 +893,7 @@ static struct ceph_msg *create_session_open_msg(struct ceph_mds_client *mdsc, u6
/* Calculate serialized length of metadata */
metadata_bytes = 4; /* map length */
- for (i = 0; metadata[i][0] != NULL; ++i) {
+ for (i = 0; metadata[i][0]; ++i) {
metadata_bytes += 8 + strlen(metadata[i][0]) +
strlen(metadata[i][1]);
metadata_key_count++;
@@ -926,7 +926,7 @@ static struct ceph_msg *create_session_open_msg(struct ceph_mds_client *mdsc, u6
ceph_encode_32(&p, metadata_key_count);
/* Two length-prefixed strings for each entry in the map */
- for (i = 0; metadata[i][0] != NULL; ++i) {
+ for (i = 0; metadata[i][0]; ++i) {
size_t const key_len = strlen(metadata[i][0]);
size_t const val_len = strlen(metadata[i][1]);
@@ -1129,7 +1129,7 @@ static int iterate_session_caps(struct ceph_mds_session *session,
spin_lock(&session->s_cap_lock);
p = p->next;
- if (cap->ci == NULL) {
+ if (!cap->ci) {
dout("iterate_session_caps finishing cap %p removal\n",
cap);
BUG_ON(cap->session != session);
@@ -1755,7 +1755,7 @@ char *ceph_mdsc_build_path(struct dentry *dentry, int *plen, u64 *base,
int len, pos;
unsigned seq;
- if (dentry == NULL)
+ if (!dentry)
return ERR_PTR(-EINVAL);
retry:
@@ -1778,7 +1778,7 @@ retry:
len--; /* no leading '/' */
path = kmalloc(len+1, GFP_NOFS);
- if (path == NULL)
+ if (!path)
return ERR_PTR(-ENOMEM);
pos = len;
path[pos] = 0; /* trailing null */
@@ -3140,7 +3140,7 @@ static void check_new_map(struct ceph_mds_client *mdsc,
newmap->m_epoch, oldmap->m_epoch);
for (i = 0; i < oldmap->m_num_mds && i < mdsc->max_sessions; i++) {
- if (mdsc->sessions[i] == NULL)
+ if (!mdsc->sessions[i])
continue;
s = mdsc->sessions[i];
oldstate = ceph_mdsmap_get_state(oldmap, i);
@@ -3287,7 +3287,7 @@ static void handle_lease(struct ceph_mds_client *mdsc,
mutex_lock(&session->s_mutex);
session->s_seq++;
- if (inode == NULL) {
+ if (!inode) {
dout("handle_lease no inode %llx\n", vino.ino);
goto release;
}
@@ -3445,7 +3445,7 @@ static void delayed_work(struct work_struct *work)
for (i = 0; i < mdsc->max_sessions; i++) {
struct ceph_mds_session *s = __ceph_lookup_mds_session(mdsc, i);
- if (s == NULL)
+ if (!s)
continue;
if (s->s_state == CEPH_MDS_SESSION_CLOSING) {
dout("resending session close request for mds%d\n",
@@ -3497,7 +3497,7 @@ int ceph_mdsc_init(struct ceph_fs_client *fsc)
fsc->mdsc = mdsc;
mutex_init(&mdsc->mutex);
mdsc->mdsmap = kzalloc(sizeof(*mdsc->mdsmap), GFP_NOFS);
- if (mdsc->mdsmap == NULL) {
+ if (!mdsc->mdsmap) {
kfree(mdsc);
return -ENOMEM;
}