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[ Upstream commit1255fcb2a6] Calling shutdown with SHUT_RD and SHUT_RDWR for a listening SMC socket crashes, because commit127f497058("net/smc: release clcsock from tcp_listen_worker") releases the internal clcsock in smc_close_active() and sets smc->clcsock to NULL. For SHUT_RD the smc_close_active() call is removed. For SHUT_RDWR the kernel_sock_shutdown() call is omitted, since the clcsock is already released. Fixes:127f497058("net/smc: release clcsock from tcp_listen_worker") Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reported-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.