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If there has BIDI data, its first iov[] will overwrite the last iov[] for se_cmd->t_data_sg. To fix this, we can just increase the iov pointer, but this may introuduce a new memory leakage bug: If the se_cmd->data_length and se_cmd->t_bidi_data_sg->length are all not aligned up to the DATA_BLOCK_SIZE, the actual length needed maybe larger than just sum of them. So, this could be avoided by rounding all the data lengthes up to DATA_BLOCK_SIZE. Reviewed-by: Mike Christie <mchristi@redhat.com> Tested-by: Ilias Tsitsimpis <iliastsi@arrikto.com> Reviewed-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Signed-off-by: Xiubo Li <lixiubo@cmss.chinamobile.com> Cc: stable@vger.kernel.org # 3.18+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.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.