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HPFS: Fix some unaligned accesses

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Fix some unaligned accesses

Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mikulas Patocka
2011-05-08 20:44:32 +02:00
committed by Linus Torvalds
parent 0b69760be6
commit d0969d1949
3 changed files with 32 additions and 24 deletions
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12
fs/hpfs/hpfs_fn.h
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@@ -13,6 +13,7 @@
#include <linux/pagemap.h>
#include <linux/buffer_head.h>
#include <linux/slab.h>
#include <asm/unaligned.h>
#include "hpfs.h"
@@ -135,19 +136,24 @@ static inline struct extended_attribute *fnode_end_ea(struct fnode *fnode)
return (struct extended_attribute *)((char *)fnode + le16_to_cpu(fnode->ea_offs) + le16_to_cpu(fnode->acl_size_s) + le16_to_cpu(fnode->ea_size_s));
}
static unsigned ea_valuelen(struct extended_attribute *ea)
{
return ea->valuelen_lo + 256 * ea->valuelen_hi;
}
static inline struct extended_attribute *next_ea(struct extended_attribute *ea)
{
return (struct extended_attribute *)((char *)ea + 5 + ea->namelen + le16_to_cpu(ea->valuelen));
return (struct extended_attribute *)((char *)ea + 5 + ea->namelen + ea_valuelen(ea));
}
static inline secno ea_sec(struct extended_attribute *ea)
{
return le32_to_cpu(*((secno *)((char *)ea + 9 + ea->namelen)));
return le32_to_cpu(get_unaligned((secno *)((char *)ea + 9 + ea->namelen)));
}
static inline secno ea_len(struct extended_attribute *ea)
{
return le32_to_cpu(*((secno *)((char *)ea + 5 + ea->namelen)));
return le32_to_cpu(get_unaligned((secno *)((char *)ea + 5 + ea->namelen)));
}
static inline char *ea_data(struct extended_attribute *ea)