From 809aa64ebff51eb170ee31a95f83b2d21efa32e2 Mon Sep 17 00:00:00 2001 From: Zhipeng Lu Date: Fri, 12 Jan 2024 16:55:23 +0800 Subject: 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 Link: https://lore.kernel.org/r/20240112085523.3731720-1-alexious@zju.edu.cn Acked-by: Dennis Dalessandro Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/hfi1/pio.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/infiniband/hw') 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) -- cgit v1.2.3