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DLM: Replace nodeid_to_addr with kernel_getpeername

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This patch replaces the call to nodeid_to_addr with a call to
kernel_getpeername. This avoids taking a spinlock because it may
potentially be called from a softirq context.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Bob Peterson 2016-01-18 12:29:15 -05:00 • committed by David Teigland
parent 81f70ba233
commit 1a31833d08
1 changed files with 3 additions and 1 deletions
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4
fs/dlm/lowcomms.c
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@ -469,8 +469,10 @@ static void lowcomms_error_report(struct sock *sk)
{ {
struct connection *con = sock2con(sk); struct connection *con = sock2con(sk);
struct sockaddr_storage saddr; struct sockaddr_storage saddr;
int buflen;
if (nodeid_to_addr(con->nodeid, &saddr, NULL, false)) { if (con->sock == NULL ||
kernel_getpeername(con->sock, (struct sockaddr *)&saddr, &buflen)) {
printk_ratelimited(KERN_ERR "dlm: node %d: socket error " printk_ratelimited(KERN_ERR "dlm: node %d: socket error "
"sending to node %d, port %d, " "sending to node %d, port %d, "
"sk_err=%d/%d\n", dlm_our_nodeid(), "sk_err=%d/%d\n", dlm_our_nodeid(),