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| author |  Zhipeng Lu <alexious@zju.edu.cn>
| 2024-01-12 16:55:23 +0800 |
|---|---|---|
| committer |  Leon Romanovsky <leon@kernel.org>
| 2024-01-25 11:56:27 +0200 |
| commit | 809aa64ebff51eb170ee31a95f83b2d21efa32e2 (patch) | |
| tree | eeb9227b04f55dbc632884290501384e3a322578 /drivers/infiniband | |
| parent | Linux 6.8-rc1 (diff) | |
| download | linux-809aa64ebff51eb170ee31a95f83b2d21efa32e2.tar.gz linux-809aa64ebff51eb170ee31a95f83b2d21efa32e2.tar.bz2 linux-809aa64ebff51eb170ee31a95f83b2d21efa32e2.zip | |
IB/hfi1: Fix a memleak in init_credit_return
When dma_alloc_coherent fails to allocate dd->cr_base[i].va,
init_credit_return should deallocate dd->cr_base and
dd->cr_base[i] that allocated before. Or those resources
would be never freed and a memleak is triggered.
Fixes: 7724105686e7 ("IB/hfi1: add driver files")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Link: https://lore.kernel.org/r/20240112085523.3731720-1-alexious@zju.edu.cn
Acked-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/pio.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hfi1/pio.c b/drivers/infiniband/hw/hfi1/pio.c index 68c621ff59d0..5a91cbda4aee 100644 --- a/drivers/infiniband/hw/hfi1/pio.c +++ b/drivers/infiniband/hw/hfi1/pio.c @@ -2086,7 +2086,7 @@ int init_credit_return(struct hfi1_devdata *dd) "Unable to allocate credit return DMA range for NUMA %d\n", i); ret = -ENOMEM; - goto done; + goto free_cr_base; } } set_dev_node(&dd->pcidev->dev, dd->node); @@ -2094,6 +2094,10 @@ int init_credit_return(struct hfi1_devdata *dd) ret = 0; done: return ret; + +free_cr_base: + free_credit_return(dd); + goto done; } void free_credit_return(struct hfi1_devdata *dd) |