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* Fixed a possible NULL pointer access in case the list is empty.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35615 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2010-02-25 13:21:40 +00:00
parent 51e29291d2
commit 791b130291
1 changed files with 1 additions and 4 deletions
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5
src/add-ons/kernel/network/stack/net_buffer.cpp
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@ -974,11 +974,8 @@ static inline data_node*
get_node_at_offset(net_buffer_private* buffer, size_t offset) get_node_at_offset(net_buffer_private* buffer, size_t offset)
{ {
data_node* node = (data_node*)list_get_first_item(&buffer->buffers); data_node* node = (data_node*)list_get_first_item(&buffer->buffers);
while (node->offset + node->used <= offset) { while (node != NULL && node->offset + node->used <= offset)
node = (data_node*)list_get_next_item(&buffer->buffers, node); node = (data_node*)list_get_next_item(&buffer->buffers, node);
if (node == NULL)
return NULL;
}
return node; return node;
} }