JFS: Remove defconfig ptr comparison to 0

Remove sparse warning: Using plain integer as NULL pointer

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>

5 files changed, 15 insertions, 14 deletions

diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index 97c66f913393..4dcc05819998 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -284,11 +284,11 @@ static struct dir_table_slot *find_index(struct inode *ip, u32 index,
                         release_metapage(*mp);
                         *mp = NULL;
                 }
-                if (*mp == 0) {
+                if (!(*mp)) {
                         *lblock = blkno;
                         *mp = read_index_page(ip, blkno);
                 }
-                if (*mp == 0) {
+                if (!(*mp)) {
                         jfs_err("free_index: error reading directory table");
                         return NULL;
                 }
@@ -413,7 +413,8 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
                 }
                 ip->i_size = PSIZE;
 
-                if ((mp = get_index_page(ip, 0)) == 0) {
+                mp = get_index_page(ip, 0);
+                if (!mp) {
                         jfs_err("add_index: get_metapage failed!");
                         xtTruncate(tid, ip, 0, COMMIT_PWMAP);
                         memcpy(&jfs_ip->i_dirtable, temp_table,
@@ -461,7 +462,7 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
         } else
                 mp = read_index_page(ip, blkno);
 
-        if (mp == 0) {
+        if (!mp) {
                 jfs_err("add_index: get/read_metapage failed!");
                 goto clean_up;
         }
@@ -499,7 +500,7 @@ static void free_index(tid_t tid, struct inode *ip, u32 index, u32 next)
 
         dirtab_slot = find_index(ip, index, &mp, &lblock);
 
-        if (dirtab_slot == 0)
+        if (!dirtab_slot)
                 return;
 
         dirtab_slot->flag = DIR_INDEX_FREE;
@@ -526,7 +527,7 @@ static void modify_index(tid_t tid, struct inode *ip, u32 index, s64 bn,
 
         dirtab_slot = find_index(ip, index, mp, lblock);
 
-        if (dirtab_slot == 0)
+        if (!dirtab_slot)
                 return;
 
         DTSaddress(dirtab_slot, bn);
@@ -552,7 +553,7 @@ static int read_index(struct inode *ip, u32 index,
         struct dir_table_slot *slot;
 
         slot = find_index(ip, index, &mp, &lblock);
-        if (slot == 0) {
+        if (!slot) {
                 return -EIO;
         }
 
@@ -593,7 +594,7 @@ int dtSearch(struct inode *ip, struct component_name * key, ino_t * data,
         struct super_block *sb = ip->i_sb;
 
         ciKey.name = kmalloc((JFS_NAME_MAX + 1) * sizeof(wchar_t), GFP_NOFS);
-        if (ciKey.name == 0) {
+        if (!ciKey.name) {
                 rc = -ENOMEM;
                 goto dtSearch_Exit2;
         }
@@ -956,7 +957,7 @@ static int dtSplitUp(tid_t tid,
         sp = DT_PAGE(ip, smp);
 
         key.name = kmalloc((JFS_NAME_MAX + 2) * sizeof(wchar_t), GFP_NOFS);
-        if (key.name == 0) {
+        if (!key.name) {
                 DT_PUTPAGE(smp);
                 rc = -ENOMEM;
                 goto dtSplitUp_Exit;
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
index 3870ba8b9086..9bf29f771737 100644
--- a/fs/jfs/jfs_imap.c
+++ b/fs/jfs/jfs_imap.c
@@ -381,7 +381,7 @@ int diRead(struct inode *ip)
 
         /* read the page of disk inode */
         mp = read_metapage(ipimap, pageno << sbi->l2nbperpage, PSIZE, 1);
-        if (mp == 0) {
+        if (!mp) {
                 jfs_err("diRead: read_metapage failed");
                 return -EIO;
         }
@@ -654,7 +654,7 @@ int diWrite(tid_t tid, struct inode *ip)
         /* read the page of disk inode */
       retry:
         mp = read_metapage(ipimap, pageno << sbi->l2nbperpage, PSIZE, 1);
-        if (mp == 0)
+        if (!mp)
                 return -EIO;
 
         /* get the pointer to the disk inode */
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index 2370716d57ad..325a9679b95a 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -2345,7 +2345,7 @@ int jfsIOWait(void *arg)
 
         do {
                 spin_lock_irq(&log_redrive_lock);
-                while ((bp = log_redrive_list) != 0) {
+                while ((bp = log_redrive_list)) {
                         log_redrive_list = bp->l_redrive_next;
                         bp->l_redrive_next = NULL;
                         spin_unlock_irq(&log_redrive_lock);
diff --git a/fs/jfs/jfs_mount.c b/fs/jfs/jfs_mount.c
index 644429acb8c0..7b698f2ec45a 100644
--- a/fs/jfs/jfs_mount.c
+++ b/fs/jfs/jfs_mount.c
@@ -147,7 +147,7 @@ int jfs_mount(struct super_block *sb)
          */
         if ((sbi->mntflag & JFS_BAD_SAIT) == 0) {
                 ipaimap2 = diReadSpecial(sb, AGGREGATE_I, 1);
-                if (ipaimap2 == 0) {
+                if (!ipaimap2) {
                         jfs_err("jfs_mount: Faild to read AGGREGATE_I");
                         rc = -EIO;
                         goto errout35;
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 4e0a8493cef6..d6e5ebad739a 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1103,7 +1103,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
          * Make sure dest inode number (if any) is what we think it is
          */
         rc = dtSearch(new_dir, &new_dname, &ino, &btstack, JFS_LOOKUP);
-        if (rc == 0) {
+        if (!rc) {
                 if ((new_ip == 0) || (ino != new_ip->i_ino)) {
                         rc = -ESTALE;
                         goto out3;