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Commit 64ffd86c authored by Jubin John's avatar Jubin John Committed by Greg Kroah-Hartman
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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: default avatarMike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: default avatarJubin John <jubin.john@intel.com>
Signed-off-by: default avatarIra Weiny <ira.weiny@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent abfc4459

drivers/staging/rdma/hfi1/verbs.c

+6 −1
Original line number Diff line number Diff line
@@ -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);