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When the call to kasprintf() returns a NULL pointer, function sci_request_irq() frees the preallocated memory and returns 0 is returned. Because 0 means no error, the caller of sci_request_irq() will keep going, and the freed memory may be used or freed again. To avoid the above issue, this patch assigns "-ENOMEM" to the return variable ret. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188691 Signed-off-by: Pan Bian <bianpan2016@163.com> 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.