[PATCH] get rid of NULL pointer checks we don't need before kfreein fs/hpfs/

From: Jesper Juhl
Date: Fri Mar 25 2005 - 17:20:57 EST



There's no need to check for NULL before calling kfree().

Signed-off-by: Jesper Juhl <juhl-lkml@xxxxxx>

--- linux-2.6.12-rc1-mm3-orig/fs/hpfs/dnode.c 2005-03-21 23:12:40.000000000 +0100
+++ linux-2.6.12-rc1-mm3/fs/hpfs/dnode.c 2005-03-25 22:44:39.000000000 +0100
@@ -244,12 +244,12 @@ static int hpfs_add_to_dnode(struct inod
go_up:
if (namelen >= 256) {
hpfs_error(i->i_sb, "hpfs_add_to_dnode: namelen == %d", namelen);
- if (nd) kfree(nd);
+ kfree(nd);
kfree(nname);
return 1;
}
if (!(d = hpfs_map_dnode(i->i_sb, dno, &qbh))) {
- if (nd) kfree(nd);
+ kfree(nd);
kfree(nname);
return 1;
}
@@ -257,7 +257,7 @@ static int hpfs_add_to_dnode(struct inod
if (hpfs_sb(i->i_sb)->sb_chk)
if (hpfs_stop_cycles(i->i_sb, dno, &c1, &c2, "hpfs_add_to_dnode")) {
hpfs_brelse4(&qbh);
- if (nd) kfree(nd);
+ kfree(nd);
kfree(nname);
return 1;
}
@@ -270,7 +270,7 @@ static int hpfs_add_to_dnode(struct inod
for_all_poss(i, hpfs_pos_subst, 5, t + 1);
hpfs_mark_4buffers_dirty(&qbh);
hpfs_brelse4(&qbh);
- if (nd) kfree(nd);
+ kfree(nd);
kfree(nname);
return 0;
}
--- linux-2.6.12-rc1-mm3-orig/fs/hpfs/super.c 2005-03-21 23:12:40.000000000 +0100
+++ linux-2.6.12-rc1-mm3/fs/hpfs/super.c 2005-03-25 22:45:43.000000000 +0100
@@ -75,7 +75,7 @@ void hpfs_error(struct super_block *s, c
} else if (s->s_flags & MS_RDONLY) printk("; going on - but anything won't be destroyed because it's read-only\n");
else printk("; corrupted filesystem mounted read/write - your computer will explode within 20 seconds ... but you wanted it so!\n");
} else printk("\n");
- if (buf) kfree(buf);
+ kfree(buf);
hpfs_sb(s)->sb_was_error = 1;
}

@@ -102,8 +102,8 @@ int hpfs_stop_cycles(struct super_block
static void hpfs_put_super(struct super_block *s)
{
struct hpfs_sb_info *sbi = hpfs_sb(s);
- if (sbi->sb_cp_table) kfree(sbi->sb_cp_table);
- if (sbi->sb_bmp_dir) kfree(sbi->sb_bmp_dir);
+ kfree(sbi->sb_cp_table);
+ kfree(sbi->sb_bmp_dir);
unmark_dirty(s);
s->s_fs_info = NULL;
kfree(sbi);
@@ -654,8 +654,8 @@ bail3: brelse(bh1);
bail2: brelse(bh0);
bail1:
bail0:
- if (sbi->sb_bmp_dir) kfree(sbi->sb_bmp_dir);
- if (sbi->sb_cp_table) kfree(sbi->sb_cp_table);
+ kfree(sbi->sb_bmp_dir);
+ kfree(sbi->sb_cp_table);
s->s_fs_info = NULL;
kfree(sbi);
return -EINVAL;


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