tree: https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git vc4/rework-helpers head: 0b08b344d2e1241f8135321b3e0421d95d855bc6 commit: 1f25a431c207a9f4e9024f8285b8a97654e78f39 [12/28] clk: trace: Trace range functions config: i386-randconfig-m021-20201113 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com&gt; New smatch warnings: drivers/clk/clk.c:2385 clk_set_min_rate() warn: variable dereferenced before check 'clk' (see line 2383) vim +/clk +2385 drivers/clk/clk.c 4dff95dc9477a34 Stephen Boyd 2015-04-30 2381 int clk_set_min_rate(struct clk *clk, unsigned long rate) 035a61c314eb3da Tomeu Vizoso 2015-01-23 2382 { 1f25a431c207a9f Maxime Ripard 2020-10-01 @2383 trace_clk_set_min_rate(clk->core, rate); ^^^^^^^^^ Derefenced 1f25a431c207a9f Maxime Ripard 2020-10-01 2384 035a61c314eb3da Tomeu Vizoso 2015-01-23 @2385 if (!clk) ^^^^ Checked too late. 035a61c314eb3da Tomeu Vizoso 2015-01-23 2386 return 0; 035a61c314eb3da Tomeu Vizoso 2015-01-23 2387 4dff95dc9477a34 Stephen Boyd 2015-04-30 2388 return clk_set_rate_range(clk, rate, clk->max_rate); 035a61c314eb3da Tomeu Vizoso 2015-01-23 2389 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org