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path: root/drivers/net/wireless/iwmc3200wifi/debugfs.c
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Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/debugfs.c')
-rw-r--r--drivers/net/wireless/iwmc3200wifi/debugfs.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/debugfs.c b/drivers/net/wireless/iwmc3200wifi/debugfs.c
index c29c994de0e2..5b75a0ddac1c 100644
--- a/drivers/net/wireless/iwmc3200wifi/debugfs.c
+++ b/drivers/net/wireless/iwmc3200wifi/debugfs.c
@@ -265,7 +265,7 @@ static ssize_t iwm_debugfs_rx_ticket_read(struct file *filp,
size_t count, loff_t *ppos)
{
struct iwm_priv *iwm = filp->private_data;
- struct iwm_rx_ticket_node *ticket, *next;
+ struct iwm_rx_ticket_node *ticket;
char *buf;
int buf_len = 4096, i;
size_t len = 0;
@@ -280,7 +280,8 @@ static ssize_t iwm_debugfs_rx_ticket_read(struct file *filp,
if (!buf)
return -ENOMEM;
- list_for_each_entry_safe(ticket, next, &iwm->rx_tickets, node) {
+ spin_lock(&iwm->ticket_lock);
+ list_for_each_entry(ticket, &iwm->rx_tickets, node) {
len += snprintf(buf + len, buf_len - len, "Ticket #%d\n",
ticket->ticket->id);
len += snprintf(buf + len, buf_len - len, "\taction: 0x%x\n",
@@ -288,14 +289,17 @@ static ssize_t iwm_debugfs_rx_ticket_read(struct file *filp,
len += snprintf(buf + len, buf_len - len, "\tflags: 0x%x\n",
ticket->ticket->flags);
}
+ spin_unlock(&iwm->ticket_lock);
for (i = 0; i < IWM_RX_ID_HASH; i++) {
- struct iwm_rx_packet *packet, *nxt;
+ struct iwm_rx_packet *packet;
struct list_head *pkt_list = &iwm->rx_packets[i];
+
if (!list_empty(pkt_list)) {
len += snprintf(buf + len, buf_len - len,
"Packet hash #%d\n", i);
- list_for_each_entry_safe(packet, nxt, pkt_list, node) {
+ spin_lock(&iwm->packet_lock[i]);
+ list_for_each_entry(packet, pkt_list, node) {
len += snprintf(buf + len, buf_len - len,
"\tPacket id: %d\n",
packet->id);
@@ -303,6 +307,7 @@ static ssize_t iwm_debugfs_rx_ticket_read(struct file *filp,
"\tPacket length: %lu\n",
packet->pkt_size);
}
+ spin_unlock(&iwm->packet_lock[i]);
}
}