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RDMA/hfi1: Prevent memory leak in sdma_init 

In sdma_init if rhashtable_init fails the allocated memory for
tmp_sdma_rht should be released.

Fixes: 5a52a7acf7 ("IB/hfi1: NULL pointer dereference when freeing rhashtable")
Link: https://lore.kernel.org/r/20190925144543.10141-1-navid.emamdoost@gmail.com
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Acked-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
alistair/sunxi64-5.4-dsi
Navid Emamdoost 2019-09-25 09:45:42 -05:00 committed by Jason Gunthorpe
parent 390d3fdcae
commit 34b3be18a0
1 changed files with 4 additions and 1 deletions
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5
drivers/infiniband/hw/hfi1/sdma.c
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@ -1526,8 +1526,11 @@ int sdma_init(struct hfi1_devdata *dd, u8 port)
}
ret = rhashtable_init(tmp_sdma_rht, &sdma_rht_params);
if (ret < 0)
if (ret < 0) {
kfree(tmp_sdma_rht);
goto bail;
}
dd->sdma_rht = tmp_sdma_rht;
dd_dev_info(dd, "SDMA num_sdma: %u\n", dd->num_sdma);