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wireless: use get/put_unaligned_* helpers

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Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Harvey Harrison 2008-05-01 22:19:33 -07:00 committed by John W. Linville
parent 5a433b3ad4
commit ae7245cbf2
2 changed files with 8 additions and 10 deletions
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2
net/mac80211/mesh_hwmp.c
View file

@ -26,7 +26,7 @@ static inline u32 u32_field_get(u8 *preq_elem, int offset, bool ae)
{ {
if (ae) if (ae)
offset += 6; offset += 6;
return le32_to_cpu(get_unaligned((__le32 *) (preq_elem + offset))); return get_unaligned_le32(preq_elem + offset);
} }
/* HWMP IE processing macros */ /* HWMP IE processing macros */

16
net/wireless/radiotap.c
View file

@ -59,23 +59,21 @@ int ieee80211_radiotap_iterator_init(
return -EINVAL; return -EINVAL;
/* sanity check for allowed length and radiotap length field */ /* sanity check for allowed length and radiotap length field */
if (max_length < le16_to_cpu(get_unaligned(&radiotap_header->it_len))) if (max_length < get_unaligned_le16(&radiotap_header->it_len))
return -EINVAL; return -EINVAL;
iterator->rtheader = radiotap_header; iterator->rtheader = radiotap_header;
iterator->max_length = le16_to_cpu(get_unaligned( iterator->max_length = get_unaligned_le16(&radiotap_header->it_len);
&radiotap_header->it_len));
iterator->arg_index = 0; iterator->arg_index = 0;
iterator->bitmap_shifter = le32_to_cpu(get_unaligned( iterator->bitmap_shifter = get_unaligned_le32(&radiotap_header->it_present);
&radiotap_header->it_present));
iterator->arg = (u8 *)radiotap_header + sizeof(*radiotap_header); iterator->arg = (u8 *)radiotap_header + sizeof(*radiotap_header);
iterator->this_arg = NULL; iterator->this_arg = NULL;
/* find payload start allowing for extended bitmap(s) */ /* find payload start allowing for extended bitmap(s) */
if (unlikely(iterator->bitmap_shifter & (1<<IEEE80211_RADIOTAP_EXT))) { if (unlikely(iterator->bitmap_shifter & (1<<IEEE80211_RADIOTAP_EXT))) {
while (le32_to_cpu(get_unaligned((__le32 *)iterator->arg)) & while (get_unaligned_le32(iterator->arg) &
(1<<IEEE80211_RADIOTAP_EXT)) { (1 << IEEE80211_RADIOTAP_EXT)) {
iterator->arg += sizeof(u32); iterator->arg += sizeof(u32);
/* /*
@ -241,8 +239,8 @@ int ieee80211_radiotap_iterator_next(
if (iterator->bitmap_shifter & 1) { if (iterator->bitmap_shifter & 1) {
/* b31 was set, there is more */ /* b31 was set, there is more */
/* move to next u32 bitmap */ /* move to next u32 bitmap */
iterator->bitmap_shifter = le32_to_cpu( iterator->bitmap_shifter =
get_unaligned(iterator->next_bitmap)); get_unaligned_le32(iterator->next_bitmap);
iterator->next_bitmap++; iterator->next_bitmap++;
} else } else
/* no more bitmaps: end */ /* no more bitmaps: end */