Messages in this thread | | | Date | Sat, 20 Nov 2021 16:33:21 +0800 | From | kernel test robot <> | Subject | [intel-tdx:guest 129/144] kernel/dma/swiotlb.c:389:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless. |
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tree: https://github.com/intel/tdx.git guest head: 41fe88a1b3c28543f49fa6ed9e0e9b6650ed7614 commit: 4529b5784c141782c72ec9bd9a92df2b68cb7d45 [129/144] swiotlb: Split up single swiotlb lock config: x86_64-randconfig-c002-20211118 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
cocci warnings: (new ones prefixed by >>) >> kernel/dma/swiotlb.c:389:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless.
Please review and possibly fold the followup patch.
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