Zhongqiu Han 5089b3d874

PCI: endpoint: epf-mhi: Avoid NULL dereference if DT lacks 'mmio' ...

If platform_get_resource_byname() fails and returns NULL because DT lacks
an 'mmio' property for the MHI endpoint, dereferencing res->start will
cause a NULL pointer access. Add a check to prevent it.

Fixes: 1bf5f25324f7 ("PCI: endpoint: Add PCI Endpoint function driver for MHI bus")
Link: https://lore.kernel.org/r/20241105120735.1240728-1-quic_zhonhan@quicinc.com
Signed-off-by: Zhongqiu Han <quic_zhonhan@quicinc.com>
[kwilczynski: error message update per the review feedback]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
[bhelgaas: commit log]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Niklas Cassel <cassel@kernel.org>

2024-11-16 18:20:11 +00:00

..

Kconfig

PCI: endpoint: Add PCI Endpoint function driver for MHI bus

2023-06-23 15:05:49 -05:00

Makefile

PCI: endpoint: Add PCI Endpoint function driver for MHI bus

2023-06-23 15:05:49 -05:00

pci-epf-mhi.c

PCI: endpoint: epf-mhi: Avoid NULL dereference if DT lacks 'mmio'

2024-11-16 18:20:11 +00:00

pci-epf-ntb.c

PCI: endpoint: Clean up hardware description for BARs

2024-02-16 20:30:46 +05:30

pci-epf-test.c

PCI: endpoint: Remove surplus return statement from pci_epf_test_clean_dma_chan()

2024-11-16 18:20:11 +00:00

pci-epf-vntb.c

PCI: endpoint: Fix error handling in epf_ntb_epc_cleanup()

2024-07-04 14:40:53 +00:00