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>
Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com>
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 }
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org