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authorJohn Fleck <john.fleck@intel.com>2019-07-15 12:45:21 -0400
committerJason Gunthorpe <jgg@mellanox.com>2019-07-22 14:57:54 -0300
commitcd48a82087231fdba0e77521102386c6ed0168d6 (patch)
tree74c331076ed746342cd4d60a47e73f12be2ede47 /drivers/infiniband
parent60c3becfd1a138fdcfe48f2a5ef41ef0078d481e (diff)
IB/hfi1: Check for error on call to alloc_rsm_map_table
The call to alloc_rsm_map_table does not check if the kmalloc fails. Check for a NULL on alloc, and bail if it fails. Fixes: 372cc85a13c9 ("IB/hfi1: Extract RSM map table init from QOS") Link: https://lore.kernel.org/r/20190715164521.74174.27047.stgit@awfm-01.aw.intel.com Cc: <stable@vger.kernel.org> Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: John Fleck <john.fleck@intel.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/hfi1/chip.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index d5b643a1d9fd..67052dc3100c 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -14452,7 +14452,7 @@ void hfi1_deinit_vnic_rsm(struct hfi1_devdata *dd)
clear_rcvctrl(dd, RCV_CTRL_RCV_RSM_ENABLE_SMASK);
}
-static void init_rxe(struct hfi1_devdata *dd)
+static int init_rxe(struct hfi1_devdata *dd)
{
struct rsm_map_table *rmt;
u64 val;
@@ -14461,6 +14461,9 @@ static void init_rxe(struct hfi1_devdata *dd)
write_csr(dd, RCV_ERR_MASK, ~0ull);
rmt = alloc_rsm_map_table(dd);
+ if (!rmt)
+ return -ENOMEM;
+
/* set up QOS, including the QPN map table */
init_qos(dd, rmt);
init_fecn_handling(dd, rmt);
@@ -14487,6 +14490,7 @@ static void init_rxe(struct hfi1_devdata *dd)
val |= ((4ull & RCV_BYPASS_HDR_SIZE_MASK) <<
RCV_BYPASS_HDR_SIZE_SHIFT);
write_csr(dd, RCV_BYPASS, val);
+ return 0;
}
static void init_other(struct hfi1_devdata *dd)
@@ -15024,7 +15028,10 @@ int hfi1_init_dd(struct hfi1_devdata *dd)
goto bail_cleanup;
/* set initial RXE CSRs */
- init_rxe(dd);
+ ret = init_rxe(dd);
+ if (ret)
+ goto bail_cleanup;
+
/* set initial TXE CSRs */
init_txe(dd);
/* set initial non-RXE, non-TXE CSRs */