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bng_en: make bnge_alloc_ring() self-unwind on failure

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Ensure bnge_alloc_ring() frees any intermediate allocations
when it fails. This enables later patches to rely on this
self-unwinding behavior.

Signed-off-by: Bhargava Marreddy <bhargava.marreddy@broadcom.com>
Reviewed-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Rajashekar Hudumula <rajashekar.hudumula@broadcom.com>
Link: https://patch.msgid.link/20250919174742.24969-2-bhargava.marreddy@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Bhargava Marreddy 2025-09-19 23:17:32 +05:30 committed by Jakub Kicinski
parent c5aaf0225a
commit 9ee5994418
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/net/ethernet/broadcom/bnge/bnge_rmem.c
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@ -95,7 +95,7 @@ int bnge_alloc_ring(struct bnge_dev *bd, struct bnge_ring_mem_info *rmem)
&rmem->dma_arr[i],
GFP_KERNEL);
if (!rmem->pg_arr[i])
return -ENOMEM;
goto err_free_ring;
if (rmem->ctx_mem)
bnge_init_ctx_mem(rmem->ctx_mem, rmem->pg_arr[i],
@ -116,10 +116,13 @@ int bnge_alloc_ring(struct bnge_dev *bd, struct bnge_ring_mem_info *rmem)
if (rmem->vmem_size) {
*rmem->vmem = vzalloc(rmem->vmem_size);
if (!(*rmem->vmem))
return -ENOMEM;
goto err_free_ring;
}
return 0;
err_free_ring:
bnge_free_ring(bd, rmem);
return -ENOMEM;
}
static int bnge_alloc_ctx_one_lvl(struct bnge_dev *bd,