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[ Upstream commita6d2a5a92e] Currently if alloc_skb fails to allocate the skb a null skb is passed to t4_set_arp_err_handler and this ends up dereferencing the null skb. Avoid the NULL pointer dereference by checking for a NULL skb and returning early. Addresses-Coverity: ("Dereference null return") Fixes:b38a0ad8ec("RDMA/cxgb4: Set arp error handler for PASS_ACCEPT_RPL messages") Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Potnuri Bharat Teja <bharat@chelsio.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Sasha Levin <sashal@kernel.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.