[PATCH] Replace get_seconds with ktime_get_seconds

From: Ksenija Stanojevic
Date: Thu Sep 17 2015 - 12:13:08 EST


Replace time_t type and get_seconds function which are not y2038 safe
on 32-bit systems. Function ktime_get_seconds use monotonic instead of
real time and therefore will not cause overflow.

Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@xxxxxxxxx>
Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx>
---
net/rxrpc/ar-connection.c | 4 ++--
net/rxrpc/ar-internal.h | 4 ++--
net/rxrpc/ar-transport.c | 4 ++--
3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c
index 6631f4f..692b3e6 100644
--- a/net/rxrpc/ar-connection.c
+++ b/net/rxrpc/ar-connection.c
@@ -808,7 +808,7 @@ void rxrpc_put_connection(struct rxrpc_connection *conn)

ASSERTCMP(atomic_read(&conn->usage), >, 0);

- conn->put_time = get_seconds();
+ conn->put_time = ktime_get_seconds();
if (atomic_dec_and_test(&conn->usage)) {
_debug("zombie");
rxrpc_queue_delayed_work(&rxrpc_connection_reap, 0);
@@ -852,7 +852,7 @@ static void rxrpc_connection_reaper(struct work_struct *work)

_enter("");

- now = get_seconds();
+ now = ktime_get_seconds();
earliest = ULONG_MAX;

write_lock_bh(&rxrpc_connection_lock);
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index aef1bd2..2934a73 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -208,7 +208,7 @@ struct rxrpc_transport {
struct rb_root server_conns; /* server connections on this transport */
struct list_head link; /* link in master session list */
struct sk_buff_head error_queue; /* error packets awaiting processing */
- time_t put_time; /* time at which to reap */
+ unsigned long put_time; /* time at which to reap */
spinlock_t client_lock; /* client connection allocation lock */
rwlock_t conn_lock; /* lock for active/dead connections */
atomic_t usage;
@@ -256,7 +256,7 @@ struct rxrpc_connection {
struct rxrpc_crypt csum_iv; /* packet checksum base */
unsigned long events;
#define RXRPC_CONN_CHALLENGE 0 /* send challenge packet */
- time_t put_time; /* time at which to reap */
+ unsigned long put_time; /* time at which to reap */
rwlock_t lock; /* access lock */
spinlock_t state_lock; /* state-change lock */
atomic_t usage;
diff --git a/net/rxrpc/ar-transport.c b/net/rxrpc/ar-transport.c
index 1976dec..9946467 100644
--- a/net/rxrpc/ar-transport.c
+++ b/net/rxrpc/ar-transport.c
@@ -189,7 +189,7 @@ void rxrpc_put_transport(struct rxrpc_transport *trans)

ASSERTCMP(atomic_read(&trans->usage), >, 0);

- trans->put_time = get_seconds();
+ trans->put_time = ktime_get_seconds();
if (unlikely(atomic_dec_and_test(&trans->usage))) {
_debug("zombie");
/* let the reaper determine the timeout to avoid a race with
@@ -226,7 +226,7 @@ static void rxrpc_transport_reaper(struct work_struct *work)

_enter("");

- now = get_seconds();
+ now = ktime_get_seconds();
earliest = ULONG_MAX;

/* extract all the transports that have been dead too long */
--
1.9.1

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