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hpfs: get rid of bitfields endianness wanking in extended_attribute

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-04-06 13:21:09 -04:00
parent 185553b224
commit 4085e155b1
3 changed files with 35 additions and 34 deletions
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34
fs/hpfs/ea.c
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@@ -23,15 +23,15 @@ void hpfs_ea_ext_remove(struct super_block *s, secno a, int ano, unsigned len)
return;
}
if (hpfs_ea_read(s, a, ano, pos, 4, ex)) return;
if (ea->indirect) {
if (ea_indirect(ea)) {
if (ea_valuelen(ea) != 8) {
hpfs_error(s, "ea->indirect set while ea->valuelen!=8, %s %08x, pos %08x",
hpfs_error(s, "ea_indirect(ea) set while ea->valuelen!=8, %s %08x, pos %08x",
ano ? "anode" : "sectors", a, pos);
return;
}
if (hpfs_ea_read(s, a, ano, pos + 4, ea->namelen + 9, ex+4))
return;
hpfs_ea_remove(s, ea_sec(ea), ea->anode, ea_len(ea));
hpfs_ea_remove(s, ea_sec(ea), ea_in_anode(ea), ea_len(ea));
}
pos += ea->namelen + ea_valuelen(ea) + 5;
}
@@ -81,7 +81,7 @@ int hpfs_read_ea(struct super_block *s, struct fnode *fnode, char *key,
struct extended_attribute *ea_end = fnode_end_ea(fnode);
for (ea = fnode_ea(fnode); ea < ea_end; ea = next_ea(ea))
if (!strcmp(ea->name, key)) {
if (ea->indirect)
if (ea_indirect(ea))
goto indirect;
if (ea_valuelen(ea) >= size)
return -EINVAL;
@@ -101,10 +101,10 @@ int hpfs_read_ea(struct super_block *s, struct fnode *fnode, char *key,
return -EIO;
}
if (hpfs_ea_read(s, a, ano, pos, 4, ex)) return -EIO;
if (hpfs_ea_read(s, a, ano, pos + 4, ea->namelen + 1 + (ea->indirect ? 8 : 0), ex + 4))
if (hpfs_ea_read(s, a, ano, pos + 4, ea->namelen + 1 + (ea_indirect(ea) ? 8 : 0), ex + 4))
return -EIO;
if (!strcmp(ea->name, key)) {
if (ea->indirect)
if (ea_indirect(ea))
goto indirect;
if (ea_valuelen(ea) >= size)
return -EINVAL;
@@ -119,7 +119,7 @@ int hpfs_read_ea(struct super_block *s, struct fnode *fnode, char *key,
indirect:
if (ea_len(ea) >= size)
return -EINVAL;
if (hpfs_ea_read(s, ea_sec(ea), ea->anode, 0, ea_len(ea), buf))
if (hpfs_ea_read(s, ea_sec(ea), ea_in_anode(ea), 0, ea_len(ea), buf))
return -EIO;
buf[ea_len(ea)] = 0;
return 0;
@@ -136,8 +136,8 @@ char *hpfs_get_ea(struct super_block *s, struct fnode *fnode, char *key, int *si
struct extended_attribute *ea_end = fnode_end_ea(fnode);
for (ea = fnode_ea(fnode); ea < ea_end; ea = next_ea(ea))
if (!strcmp(ea->name, key)) {
if (ea->indirect)
return get_indirect_ea(s, ea->anode, ea_sec(ea), *size = ea_len(ea));
if (ea_indirect(ea))
return get_indirect_ea(s, ea_in_anode(ea), ea_sec(ea), *size = ea_len(ea));
if (!(ret = kmalloc((*size = ea_valuelen(ea)) + 1, GFP_NOFS))) {
printk("HPFS: out of memory for EA\n");
return NULL;
@@ -159,11 +159,11 @@ char *hpfs_get_ea(struct super_block *s, struct fnode *fnode, char *key, int *si
return NULL;
}
if (hpfs_ea_read(s, a, ano, pos, 4, ex)) return NULL;
if (hpfs_ea_read(s, a, ano, pos + 4, ea->namelen + 1 + (ea->indirect ? 8 : 0), ex + 4))
if (hpfs_ea_read(s, a, ano, pos + 4, ea->namelen + 1 + (ea_indirect(ea) ? 8 : 0), ex + 4))
return NULL;
if (!strcmp(ea->name, key)) {
if (ea->indirect)
return get_indirect_ea(s, ea->anode, ea_sec(ea), *size = ea_len(ea));
if (ea_indirect(ea))
return get_indirect_ea(s, ea_in_anode(ea), ea_sec(ea), *size = ea_len(ea));
if (!(ret = kmalloc((*size = ea_valuelen(ea)) + 1, GFP_NOFS))) {
printk("HPFS: out of memory for EA\n");
return NULL;
@@ -199,9 +199,9 @@ void hpfs_set_ea(struct inode *inode, struct fnode *fnode, const char *key,
struct extended_attribute *ea_end = fnode_end_ea(fnode);
for (ea = fnode_ea(fnode); ea < ea_end; ea = next_ea(ea))
if (!strcmp(ea->name, key)) {
if (ea->indirect) {
if (ea_indirect(ea)) {
if (ea_len(ea) == size)
set_indirect_ea(s, ea->anode, ea_sec(ea), data, size);
set_indirect_ea(s, ea_in_anode(ea), ea_sec(ea), data, size);
} else if (ea_valuelen(ea) == size) {
memcpy(ea_data(ea), data, size);
}
@@ -220,12 +220,12 @@ void hpfs_set_ea(struct inode *inode, struct fnode *fnode, const char *key,
return;
}
if (hpfs_ea_read(s, a, ano, pos, 4, ex)) return;
if (hpfs_ea_read(s, a, ano, pos + 4, ea->namelen + 1 + (ea->indirect ? 8 : 0), ex + 4))
if (hpfs_ea_read(s, a, ano, pos + 4, ea->namelen + 1 + (ea_indirect(ea) ? 8 : 0), ex + 4))
return;
if (!strcmp(ea->name, key)) {
if (ea->indirect) {
if (ea_indirect(ea)) {
if (ea_len(ea) == size)
set_indirect_ea(s, ea->anode, ea_sec(ea), data, size);
set_indirect_ea(s, ea_in_anode(ea), ea_sec(ea), data, size);
}
else {
if (ea_valuelen(ea) == size)