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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/sa_query.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/sa_query.c')
-rw-r--r-- | drivers/infiniband/core/sa_query.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index a8905ab..934f45e 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -611,19 +611,21 @@ static void init_mad(struct ib_sa_mad *mad, struct ib_mad_agent *agent) static int send_mad(struct ib_sa_query *query, int timeout_ms, gfp_t gfp_mask) { + bool preload = gfp_mask & __GFP_WAIT; unsigned long flags; int ret, id; -retry: - if (!idr_pre_get(&query_idr, gfp_mask)) - return -ENOMEM; + if (preload) + idr_preload(gfp_mask); spin_lock_irqsave(&idr_lock, flags); - ret = idr_get_new(&query_idr, query, &id); + + id = idr_alloc(&query_idr, query, 0, 0, GFP_NOWAIT); + spin_unlock_irqrestore(&idr_lock, flags); - if (ret == -EAGAIN) - goto retry; - if (ret) - return ret; + if (preload) + idr_preload_end(); + if (id < 0) + return id; query->mad_buf->timeout_ms = timeout_ms; query->mad_buf->context[0] = query; |