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staging/rdma/hfi1: Add unit # to verbs txreq cache name 

The name used to create the verbs txreq cache was not qualified with the unit
number. This causes a panic when destroying the cache on a dual HFI systems.
Create a unique name with the unit number with this patch

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jubin John 2015-10-26 10:28:47 -04:00 committed by Greg Kroah-Hartman
parent abfc4459c9
commit 64ffd86cf9
1 changed files with 6 additions and 1 deletions
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7
drivers/staging/rdma/hfi1/verbs.c
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@ -129,6 +129,9 @@ static void verbs_sdma_complete(
int status,
int drained);
/* Length of buffer to create verbs txreq cache name */
#define TXREQ_NAME_LEN 24
/*
* Note that it is OK to post send work requests in the SQE and ERR
* states; hfi1_do_send() will process them and generate error
@ -1905,6 +1908,7 @@ int hfi1_register_ib_device(struct hfi1_devdata *dd)
int ret;
size_t lcpysz = IB_DEVICE_NAME_MAX;
u16 descq_cnt;
char buf[TXREQ_NAME_LEN];
ret = hfi1_qp_init(dev);
if (ret)
@ -1958,8 +1962,9 @@ int hfi1_register_ib_device(struct hfi1_devdata *dd)
descq_cnt = sdma_get_descq_cnt();
snprintf(buf, sizeof(buf), "hfi1_%u_vtxreq_cache", dd->unit);
/* SLAB_HWCACHE_ALIGN for AHG */
dev->verbs_txreq_cache = kmem_cache_create("hfi1_vtxreq_cache",
dev->verbs_txreq_cache = kmem_cache_create(buf,
sizeof(struct verbs_txreq),
0, SLAB_HWCACHE_ALIGN,
verbs_txreq_kmem_cache_ctor);