commit 9c1292eca243821249fa99f40175b0660d9329e3 upstream. It was reported that there is a compiler warning on the unused variable "sin_addr_len" in af_inet.c when CONFIG_CGROUP_BPF is not set. This patch is to address it similar to the ipv6 counterpart in inet6_getname(). It is to "return sin_addr_len;" instead of "return sizeof(*sin);". Fixes: fefba7d1ae19 ("bpf: Propagate modified uaddrlen from cgroup sockaddr programs") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://lore.kernel.org/bpf/20231013185702.3993710-1-martin.lau@linux.dev Closes: https://lore.kernel.org/bpf/20231013114007.2fb09691@canb.auug.org.au/ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.
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