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authorDaniel Vetter <daniel.vetter@ffwll.ch>2013-03-19 09:47:30 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-03-19 09:47:30 +0100
commit0d4a42f6bd298e826620585e766a154ab460617a (patch)
tree406d8f7778691d858dbe3e48e4bbb10e99c0a58a /drivers/infiniband/core/ucma.c
parentd62b4892f3d9f7dd2002e5309be10719d6805b0f (diff)
parenta937536b868b8369b98967929045f1df54234323 (diff)
Merge tag 'v3.9-rc3' into drm-intel-next-queued
Backmerge so that I can merge Imre Deak's coalesced sg entries fixes, which depend upon the new for_each_sg_page introduce in commit a321e91b6d73ed011ffceed384c40d2785cf723b Author: Imre Deak <imre.deak@intel.com> Date: Wed Feb 27 17:02:56 2013 -0800 lib/scatterlist: add simple page iterator The merge itself is just two trivial conflicts: Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/infiniband/core/ucma.c')
-rw-r--r--drivers/infiniband/core/ucma.c32
1 files changed, 8 insertions, 24 deletions
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 2709ff581392..5ca44cd9b00c 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -145,7 +145,6 @@ static void ucma_put_ctx(struct ucma_context *ctx)
static struct ucma_context *ucma_alloc_ctx(struct ucma_file *file)
{
struct ucma_context *ctx;
- int ret;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
@@ -156,17 +155,10 @@ static struct ucma_context *ucma_alloc_ctx(struct ucma_file *file)
INIT_LIST_HEAD(&ctx->mc_list);
ctx->file = file;
- do {
- ret = idr_pre_get(&ctx_idr, GFP_KERNEL);
- if (!ret)
- goto error;
-
- mutex_lock(&mut);
- ret = idr_get_new(&ctx_idr, ctx, &ctx->id);
- mutex_unlock(&mut);
- } while (ret == -EAGAIN);
-
- if (ret)
+ mutex_lock(&mut);
+ ctx->id = idr_alloc(&ctx_idr, ctx, 0, 0, GFP_KERNEL);
+ mutex_unlock(&mut);
+ if (ctx->id < 0)
goto error;
list_add_tail(&ctx->list, &file->ctx_list);
@@ -180,23 +172,15 @@ error:
static struct ucma_multicast* ucma_alloc_multicast(struct ucma_context *ctx)
{
struct ucma_multicast *mc;
- int ret;
mc = kzalloc(sizeof(*mc), GFP_KERNEL);
if (!mc)
return NULL;
- do {
- ret = idr_pre_get(&multicast_idr, GFP_KERNEL);
- if (!ret)
- goto error;
-
- mutex_lock(&mut);
- ret = idr_get_new(&multicast_idr, mc, &mc->id);
- mutex_unlock(&mut);
- } while (ret == -EAGAIN);
-
- if (ret)
+ mutex_lock(&mut);
+ mc->id = idr_alloc(&multicast_idr, mc, 0, 0, GFP_KERNEL);
+ mutex_unlock(&mut);
+ if (mc->id < 0)
goto error;
mc->ctx = ctx;