diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2013-04-03 22:18:36 +0200 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2013-04-03 22:18:36 +0200 |
commit | 6a7b3e970426f4bc2a8d52f81a4fda6595a9f052 (patch) | |
tree | 055765564c839e456fbe4c65c8cd2c4b00d731b7 /drivers/staging/zcache/ramster/tcp.c | |
parent | 661462f4c6d3c9ae0bac193c65936ebfac4c95b4 (diff) | |
parent | 07961ac7c0ee8b546658717034fe692fd12eefa9 (diff) |
Merge tag 'v3.9-rc5' into devel
Linux 3.9-rc5
Conflicts:
drivers/pinctrl/pinconf.c
Diffstat (limited to 'drivers/staging/zcache/ramster/tcp.c')
-rw-r--r-- | drivers/staging/zcache/ramster/tcp.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/staging/zcache/ramster/tcp.c b/drivers/staging/zcache/ramster/tcp.c index aa2a1a763aa4..f6e1e5209d88 100644 --- a/drivers/staging/zcache/ramster/tcp.c +++ b/drivers/staging/zcache/ramster/tcp.c @@ -300,27 +300,22 @@ static u8 r2net_num_from_nn(struct r2net_node *nn) static int r2net_prep_nsw(struct r2net_node *nn, struct r2net_status_wait *nsw) { - int ret = 0; + int ret; - do { - if (!idr_pre_get(&nn->nn_status_idr, GFP_ATOMIC)) { - ret = -EAGAIN; - break; - } - spin_lock(&nn->nn_lock); - ret = idr_get_new(&nn->nn_status_idr, nsw, &nsw->ns_id); - if (ret == 0) - list_add_tail(&nsw->ns_node_item, - &nn->nn_status_list); - spin_unlock(&nn->nn_lock); - } while (ret == -EAGAIN); + spin_lock(&nn->nn_lock); + ret = idr_alloc(&nn->nn_status_idr, nsw, 0, 0, GFP_ATOMIC); + if (ret >= 0) { + nsw->ns_id = ret; + list_add_tail(&nsw->ns_node_item, &nn->nn_status_list); + } + spin_unlock(&nn->nn_lock); - if (ret == 0) { + if (ret >= 0) { init_waitqueue_head(&nsw->ns_wq); nsw->ns_sys_status = R2NET_ERR_NONE; nsw->ns_status = 0; + return 0; } - return ret; } |