提交 38ea4e6e 编写于 作者: R Rickard Strandqvist 提交者: David S. Miller

net: ethernet: ibm: ehea: ehea_qmr.c: Fix for possible null pointer dereference

There is otherwise a risk of a possible null pointer dereference.

Was largely found by using a static code analysis program called cppcheck.
Signed-off-by: NRickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 71fd762f
......@@ -103,12 +103,14 @@ static int hw_queue_ctor(struct hw_queue *queue, const u32 nr_of_pages,
static void hw_queue_dtor(struct hw_queue *queue)
{
int pages_per_kpage = PAGE_SIZE / queue->pagesize;
int pages_per_kpage;
int i, nr_pages;
if (!queue || !queue->queue_pages)
return;
pages_per_kpage = PAGE_SIZE / queue->pagesize;
nr_pages = queue->queue_length / queue->pagesize;
for (i = 0; i < nr_pages; i += pages_per_kpage)
......
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