4 files changed, 12 insertions, 12 deletions

diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 9816293442ab..0e081d5f32e8 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -1620,14 +1620,14 @@ static int journal_init_journal_head_cache(void)
 {
         int retval;
 
-        J_ASSERT(journal_head_cache == 0);
+        J_ASSERT(journal_head_cache == NULL);
         journal_head_cache = kmem_cache_create("journal_head",
                                 sizeof(struct journal_head),
                                 0,              /* offset */
                                 SLAB_TEMPORARY, /* flags */
                                 NULL);          /* ctor */
         retval = 0;
-        if (journal_head_cache == 0) {
+        if (!journal_head_cache) {
                 retval = -ENOMEM;
                 printk(KERN_EMERG "JBD: no memory for journal_head cache\n");
         }
diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c
index ad2eacf570c6..d5f8eee7c88c 100644
--- a/fs/jbd/revoke.c
+++ b/fs/jbd/revoke.c
@@ -173,13 +173,13 @@ int __init journal_init_revoke_caches(void)
                                            0,
                                            SLAB_HWCACHE_ALIGN|SLAB_TEMPORARY,
                                            NULL);
-        if (revoke_record_cache == 0)
+        if (!revoke_record_cache)
                 return -ENOMEM;
 
         revoke_table_cache = kmem_cache_create("revoke_table",
                                            sizeof(struct jbd_revoke_table_s),
                                            0, SLAB_TEMPORARY, NULL);
-        if (revoke_table_cache == 0) {
+        if (!revoke_table_cache) {
                 kmem_cache_destroy(revoke_record_cache);
                 revoke_record_cache = NULL;
                 return -ENOMEM;
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 96ba846992e9..954cff001df6 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -219,7 +219,7 @@ static int jbd2_journal_start_thread(journal_t *journal)
         if (IS_ERR(t))
                 return PTR_ERR(t);
 
-        wait_event(journal->j_wait_done_commit, journal->j_task != 0);
+        wait_event(journal->j_wait_done_commit, journal->j_task != NULL);
         return 0;
 }
 
@@ -231,7 +231,7 @@ static void journal_kill_thread(journal_t *journal)
         while (journal->j_task) {
                 wake_up(&journal->j_wait_commit);
                 spin_unlock(&journal->j_state_lock);
-                wait_event(journal->j_wait_done_commit, journal->j_task == 0);
+                wait_event(journal->j_wait_done_commit, journal->j_task == NULL);
                 spin_lock(&journal->j_state_lock);
         }
         spin_unlock(&journal->j_state_lock);
@@ -1969,14 +1969,14 @@ static int journal_init_jbd2_journal_head_cache(void)
 {
         int retval;
 
-        J_ASSERT(jbd2_journal_head_cache == 0);
+        J_ASSERT(jbd2_journal_head_cache == NULL);
         jbd2_journal_head_cache = kmem_cache_create("jbd2_journal_head",
                                 sizeof(struct journal_head),
                                 0,              /* offset */
                                 SLAB_TEMPORARY, /* flags */
                                 NULL);          /* ctor */
         retval = 0;
-        if (jbd2_journal_head_cache == 0) {
+        if (!jbd2_journal_head_cache) {
                 retval = -ENOMEM;
                 printk(KERN_EMERG "JBD: no memory for journal_head cache\n");
         }
@@ -2002,14 +2002,14 @@ static struct journal_head *journal_alloc_journal_head(void)
         atomic_inc(&nr_journal_heads);
 #endif
         ret = kmem_cache_alloc(jbd2_journal_head_cache, GFP_NOFS);
-        if (ret == 0) {
+        if (!ret) {
                 jbd_debug(1, "out of memory for journal_head\n");
                 if (time_after(jiffies, last_warning + 5*HZ)) {
                         printk(KERN_NOTICE "ENOMEM in %s, retrying.\n",
                                __FUNCTION__);
                         last_warning = jiffies;
                 }
-                while (ret == 0) {
+                while (!ret) {
                         yield();
                         ret = kmem_cache_alloc(jbd2_journal_head_cache, GFP_NOFS);
                 }
diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c
index df36f42e19e1..2e1453a5e998 100644
--- a/fs/jbd2/revoke.c
+++ b/fs/jbd2/revoke.c
@@ -174,13 +174,13 @@ int __init jbd2_journal_init_revoke_caches(void)
                                            0,
                                            SLAB_HWCACHE_ALIGN|SLAB_TEMPORARY,
                                            NULL);
-        if (jbd2_revoke_record_cache == 0)
+        if (!jbd2_revoke_record_cache)
                 return -ENOMEM;
 
         jbd2_revoke_table_cache = kmem_cache_create("jbd2_revoke_table",
                                            sizeof(struct jbd2_revoke_table_s),
                                            0, SLAB_TEMPORARY, NULL);
-        if (jbd2_revoke_table_cache == 0) {
+        if (!jbd2_revoke_table_cache) {
                 kmem_cache_destroy(jbd2_revoke_record_cache);
                 jbd2_revoke_record_cache = NULL;
                 return -ENOMEM;