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Date: Sun, 28 Oct 2018 19:20:25 -0700 (PDT) From: David Miller <davem@...emloft.net> To: linux@...musvillemoes.dk Cc: richardcochran@...il.com, keescook@...omium.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] ptp: drop redundant kasprintf() to create worker name From: Rasmus Villemoes <linux@...musvillemoes.dk> Date: Fri, 26 Oct 2018 23:22:59 +0200 > Building with -Wformat-nonliteral, gcc complains > > drivers/ptp/ptp_clock.c: In function ‘ptp_clock_register’: > drivers/ptp/ptp_clock.c:239:26: warning: format not a string literal and no format arguments [-Wformat-nonliteral] > worker_name : info->name); > > kthread_create_worker takes fmt+varargs to set the name of the > worker, and that happens with a vsnprintf() to a stack buffer (that is > then copied into task_comm). So there's no reason not to just pass > "ptp%d", ptp->index to kthread_create_worker() and avoid the > intermediate worker_name variable. > > Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk> Applied.
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