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* grub-core/net/netbuff.c (grub_netbuff_alloc): Ensure proper alignment.

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This commit is contained in:
Vladimir 'phcoder' Serbinenko committed 2011-12-13 02:15:09 +01:00
1 parent 564840dc3d
commit f138623a60
2 files changed
+8 -1
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grub-core/net/netbuff.c
+4 -1
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@@ -78,6 +78,8 @@ grub_netbuff_alloc (grub_size_t len)
struct grub_net_buff *nb;
void *data;
COMPILE_TIME_ASSERT (NETBUFF_ALIGN % sizeof (grub_properly_aligned_t) == 0);
if (len < NETBUFFMINLEN)
len = NETBUFFMINLEN;
@@ -85,7 +87,8 @@ grub_netbuff_alloc (grub_size_t len)
data = grub_memalign (NETBUFF_ALIGN, len + sizeof (*nb));
if (!data)
return NULL;
nb = (struct grub_net_buff *) ((grub_uint8_t *) data + len);
nb = (struct grub_net_buff *) ((grub_properly_aligned_t *) data
+ len / sizeof (grub_properly_aligned_t));
nb->head = nb->data = nb->tail = data;
nb->end = (char *) nb;
return nb;