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Yuan Can 32c982b520 vDPA/ifcvf: Fix pci_read_config_byte() return code handling
[ Upstream commit 7f8825b2a7 ]

ifcvf_init_hw() uses pci_read_config_byte() that returns
PCIBIOS_* codes. The error handling, however, assumes the codes are
normal errnos because it checks for < 0.
Convert the error check to plain non-zero check.

Fixes: 5a2414bc45 ("virtio: Intel IFC VF driver for VDPA")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Message-Id: <20241017013812.129952-1-yuancan@huawei.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Zhu Lingshan <lingshan.zhu@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-11-17 15:07:21 +01:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.