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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-28 04:58:09 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-28 04:58:09 (GMT) |
commit | 2a7d2b96d5cba7568139d9ab157a0e97ab32440f (patch) | |
tree | ad029d8cc7b7068b7250e914360ec6315fdfa114 /drivers/infiniband/core/ucm.c | |
parent | e3c4877de8b9d93bd47b6ee88eb594b1c1e10da5 (diff) | |
parent | b67bfe0d42cac56c512dd5da4b1b347a23f4b70a (diff) | |
download | linux-2a7d2b96d5cba7568139d9ab157a0e97ab32440f.tar.xz |
Merge branch 'akpm' (final batch from Andrew)
Merge third patch-bumb from Andrew Morton:
"This wraps me up for -rc1.
- Lots of misc stuff and things which were deferred/missed from
patchbombings 1 & 2.
- ocfs2 things
- lib/scatterlist
- hfsplus
- fatfs
- documentation
- signals
- procfs
- lockdep
- coredump
- seqfile core
- kexec
- Tejun's large IDR tree reworkings
- ipmi
- partitions
- nbd
- random() things
- kfifo
- tools/testing/selftests updates
- Sasha's large and pointless hlist cleanup"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (163 commits)
hlist: drop the node parameter from iterators
kcmp: make it depend on CHECKPOINT_RESTORE
selftests: add a simple doc
tools/testing/selftests/Makefile: rearrange targets
selftests/efivarfs: add create-read test
selftests/efivarfs: add empty file creation test
selftests: add tests for efivarfs
kfifo: fix kfifo_alloc() and kfifo_init()
kfifo: move kfifo.c from kernel/ to lib/
arch Kconfig: centralise CONFIG_ARCH_NO_VIRT_TO_BUS
w1: add support for DS2413 Dual Channel Addressable Switch
memstick: move the dereference below the NULL test
drivers/pps/clients/pps-gpio.c: use devm_kzalloc
Documentation/DMA-API-HOWTO.txt: fix typo
include/linux/eventfd.h: fix incorrect filename is a comment
mtd: mtd_stresstest: use prandom_bytes()
mtd: mtd_subpagetest: convert to use prandom library
mtd: mtd_speedtest: use prandom_bytes
mtd: mtd_pagetest: convert to use prandom library
mtd: mtd_oobtest: convert to use prandom library
...
Diffstat (limited to 'drivers/infiniband/core/ucm.c')
-rw-r--r-- | drivers/infiniband/core/ucm.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 49b15ac..f2f6393 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); |