[patch 02/11] fat: cleanup fat_put_super()

From: Thomas Gleixner
Date: Fri Aug 14 2009 - 08:44:25 EST


unload_nls() can be called with a NULL pointer now. Remove the pointer
checks and the NULLification of the pointers as the data structure
which contains the pointers is kfree'd right away.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
---
fs/fat/inode.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)

Index: linux-2.6-tip/fs/fat/inode.c
===================================================================
--- linux-2.6-tip.orig/fs/fat/inode.c
+++ linux-2.6-tip/fs/fat/inode.c
@@ -470,19 +470,11 @@ static void fat_put_super(struct super_b

iput(sbi->fat_inode);

- if (sbi->nls_disk) {
- unload_nls(sbi->nls_disk);
- sbi->nls_disk = NULL;
- sbi->options.codepage = fat_default_codepage;
- }
- if (sbi->nls_io) {
- unload_nls(sbi->nls_io);
- sbi->nls_io = NULL;
- }
- if (sbi->options.iocharset != fat_default_iocharset) {
+ unload_nls(sbi->nls_disk);
+ unload_nls(sbi->nls_io);
+
+ if (sbi->options.iocharset != fat_default_iocharset)
kfree(sbi->options.iocharset);
- sbi->options.iocharset = fat_default_iocharset;
- }

sb->s_fs_info = NULL;
kfree(sbi);


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