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| author |   Dan Carpenter <dan.carpenter@linaro.org> | 2025-03-05 18:00:07 +0300 |
|---|---|---|
| committer |   Krzysztof Wilczyński <kwilczynski@kernel.org> | 2025-03-14 16:13:03 +0000 |
| commit | 8189aa56dbed0bfb46b7b30d4d231f57ab17b3f4 (patch) | |
| tree | 0263f254f098b4c42929b1ce7a6ea2426d5bc427 | |
| parent | PCI: dwc: Add Rockchip to the RAS DES allowed vendor list (diff) | |
| download | wireguard-linux-8189aa56dbed0bfb46b7b30d4d231f57ab17b3f4.tar.xz wireguard-linux-8189aa56dbed0bfb46b7b30d4d231f57ab17b3f4.zip | |
PCI: dwc: ep: Return -ENOMEM for allocation failures
If the bitmap or memory allocations fail, then dw_pcie_ep_init_registers()
will incorrectly return a success.
Return -ENOMEM instead.
Fixes: 869bc5253406 ("PCI: dwc: ep: Fix DBI access failure for drivers requiring refclk from host")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/36dcb6fc-f292-4dd5-bd45-a8c6f9dc3df7@stanley.mountain
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware-ep.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 11ff292ca87d..2212609632c4 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -774,6 +774,7 @@ int dw_pcie_ep_init_registers(struct dw_pcie_ep *ep) if (ret) return ret; + ret = -ENOMEM; if (!ep->ib_window_map) { ep->ib_window_map = devm_bitmap_zalloc(dev, pci->num_ib_windows, GFP_KERNEL); |