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Gao Feng
1a28ad74eb
The return value of nf_tables_table_lookup() is valid pointer or one pointer error. There are two cases: 1) IS_ERR(table) is true, it would return the error or reset the table as NULL, it is unnecessary to perform the latter check "table != NULL". 2) IS_ERR(obj) is false, the table is one valid pointer. It is also unnecessary to perform that check. The nf_tables_newset() and nf_tables_newobj() have same logic codes. In summary, we could move the block of condition check "table != NULL" in the else block to eliminate the original condition checks. Signed-off-by: Gao Feng <fgao@ikuai8.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.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.