summaryrefslogtreecommitdiff
path: root/drivers/infiniband/core/ucm.c
diff options
context:
space:
mode:
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/ucm.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/ucm.c')
-rw-r--r--drivers/infiniband/core/ucm.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 49b15ac1987e..f2f63933e8a9 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -176,7 +176,6 @@ static void ib_ucm_cleanup_events(struct ib_ucm_context *ctx)
static struct ib_ucm_context *ib_ucm_ctx_alloc(struct ib_ucm_file *file)
{
struct ib_ucm_context *ctx;
- int result;
ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
if (!ctx)
@@ -187,17 +186,10 @@ static struct ib_ucm_context *ib_ucm_ctx_alloc(struct ib_ucm_file *file)
ctx->file = file;
INIT_LIST_HEAD(&ctx->events);
- do {
- result = idr_pre_get(&ctx_id_table, GFP_KERNEL);
- if (!result)
- goto error;
-
- mutex_lock(&ctx_id_mutex);
- result = idr_get_new(&ctx_id_table, ctx, &ctx->id);
- mutex_unlock(&ctx_id_mutex);
- } while (result == -EAGAIN);
-
- if (result)
+ mutex_lock(&ctx_id_mutex);
+ ctx->id = idr_alloc(&ctx_id_table, ctx, 0, 0, GFP_KERNEL);
+ mutex_unlock(&ctx_id_mutex);
+ if (ctx->id < 0)
goto error;
list_add_tail(&ctx->file_list, &file->ctxs);