1 files changed, 6 insertions, 6 deletions

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);
                 }