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-rw-r--r--drivers/s390/net/qeth_main.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 443cde10353e..45a8b9f78b16 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -3356,10 +3356,12 @@ out_freeoutq:
while (i > 0)
kfree(card->qdio.out_qs[--i]);
kfree(card->qdio.out_qs);
+ card->qdio.out_qs = NULL;
out_freepool:
qeth_free_buffer_pool(card);
out_freeinq:
kfree(card->qdio.in_q);
+ card->qdio.in_q = NULL;
out_nomem:
atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
return -ENOMEM;
@@ -3375,16 +3377,20 @@ qeth_free_qdio_buffers(struct qeth_card *card)
QETH_QDIO_UNINITIALIZED)
return;
kfree(card->qdio.in_q);
+ card->qdio.in_q = NULL;
/* inbound buffer pool */
qeth_free_buffer_pool(card);
/* free outbound qdio_qs */
- for (i = 0; i < card->qdio.no_out_queues; ++i){
- for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
- qeth_clear_output_buffer(card->qdio.out_qs[i],
- &card->qdio.out_qs[i]->bufs[j]);
- kfree(card->qdio.out_qs[i]);
+ if (card->qdio.out_qs) {
+ for (i = 0; i < card->qdio.no_out_queues; ++i) {
+ for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
+ qeth_clear_output_buffer(card->qdio.out_qs[i],
+ &card->qdio.out_qs[i]->bufs[j]);
+ kfree(card->qdio.out_qs[i]);
+ }
+ kfree(card->qdio.out_qs);
+ card->qdio.out_qs = NULL;
}
- kfree(card->qdio.out_qs);
}
static void
@@ -3395,7 +3401,7 @@ qeth_clear_qdio_buffers(struct qeth_card *card)
QETH_DBF_TEXT(trace, 2, "clearqdbf");
/* clear outbound buffers to free skbs */
for (i = 0; i < card->qdio.no_out_queues; ++i)
- if (card->qdio.out_qs[i]){
+ if (card->qdio.out_qs && card->qdio.out_qs[i]) {
for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
qeth_clear_output_buffer(card->qdio.out_qs[i],
&card->qdio.out_qs[i]->bufs[j]);