diff options
| author | Dan Carpenter <dan.carpenter@linaro.org> | 2025-03-05 18:00:07 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-10 14:39:16 +0200 |
| commit | b004cf517d8e9efadb0ba35cbae20067b59972a0 (patch) | |
| tree | 41c2717053b22f02c0ac4108a537e358edab7c4c | |
| parent | 3453bcaf2ca92659346bf8504c2b52b3993fbd79 (diff) | |
PCI: dwc: ep: Return -ENOMEM for allocation failures
[ Upstream commit 8189aa56dbed0bfb46b7b30d4d231f57ab17b3f4 ]
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
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -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 b58e89ea566b..dea19250598a 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -755,6 +755,7 @@ 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); |