Hello, On 19. 10. 12. 오후 11:17, Markus Elfring wrote: > Hello, > > I tried another script for the semantic patch language out. > This source code analysis approach points out that the implementation > of the function “_samsung_clk_register_pll” contains also a call > of the function “kmemdup”. > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/clk/samsung/clk-pll.c?id=1c0cc5f1ae5ee5a6913704c0d75a6e99604ee30a#n1275 > https://protect2.fireeye.com/url?k=7e77b0ebee9a0c3e.7e763ba4-43f341fdfe1d32b1&u=https://elixir.bootlin.com/linux/v5.4-rc2/source/drivers/clk/samsung/clk-pll.c#L1275 > > * Do you find the usage of the format string “%s: could not allocate > rate table for %s\n” still appropriate at this place? > > * Is there a need to adjust the error handling here? drivers/clk/samsung/clk-pll.c considers the case of 'pll->rate_table is NULL' So, maybe just show the warning message if failed to allocate memory of 'pll->rate_table'. Bu, IMHO, the error handling is necessary in order to support what 'pll_clk->rate_table' isn't NULL. > > Regards, > Markus > > -- Best Regards, Chanwoo Choi Samsung Electronics