CC: [email protected] BCC: [email protected] CC: Linux Memory Management List <[email protected]> TO: Nava kishore Manne <[email protected]> CC: Moritz Fischer <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 38a288f5941ef03752887ad86f2d85442358c99a commit: ada14a023a641107da1ada546e1d345ca3dc78a5 [4615/9759] fpga: zynq: Fix incorrect variable type :::::: branch date: 2 days ago :::::: commit date: 2 weeks ago config: csky-randconfig-m031-20220508 (https://download.01.org/0day-ci/archive/20220508/[email protected]/config) compiler: csky-linux-gcc (GCC) 11.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> New smatch warnings: drivers/fpga/zynq-fpga.c:245 zynq_fpga_has_sync() warn: impossible condition '(buf[2] == 153) => ((-128)-127 == 153)' Old smatch warnings: drivers/fpga/zynq-fpga.c:246 zynq_fpga_has_sync() warn: impossible condition '(buf[3] == 170) => ((-128)-127 == 170)' vim +245 drivers/fpga/zynq-fpga.c 37784706bf9e3b Moritz Fischer 2015-10-16 237 b496df86ac1bbe Jason Gunthorpe 2017-02-01 238 /* Sanity check the proposed bitstream. It must start with the sync word in b496df86ac1bbe Jason Gunthorpe 2017-02-01 239 * the correct byte order, and be dword aligned. The input is a Xilinx .bin b496df86ac1bbe Jason Gunthorpe 2017-02-01 240 * file with every 32 bit quantity swapped. b496df86ac1bbe Jason Gunthorpe 2017-02-01 241 */ ada14a023a6411 Nava kishore Manne 2022-04-21 242 static bool zynq_fpga_has_sync(const char *buf, size_t count) b496df86ac1bbe Jason Gunthorpe 2017-02-01 243 { b496df86ac1bbe Jason Gunthorpe 2017-02-01 244 for (; count >= 4; buf += 4, count -= 4) b496df86ac1bbe Jason Gunthorpe 2017-02-01 @245 if (buf[0] == 0x66 && buf[1] == 0x55 && buf[2] == 0x99 && b496df86ac1bbe Jason Gunthorpe 2017-02-01 246 buf[3] == 0xaa) b496df86ac1bbe Jason Gunthorpe 2017-02-01 247 return true; b496df86ac1bbe Jason Gunthorpe 2017-02-01 248 return false; b496df86ac1bbe Jason Gunthorpe 2017-02-01 249 } b496df86ac1bbe Jason Gunthorpe 2017-02-01 250 :::::: The code at line 245 was first introduced by commit :::::: b496df86ac1bbe393a55ddbfed35d46e74ef9767 fpga zynq: Check the bitstream for validity :::::: TO: Jason Gunthorpe <[email protected]> :::::: CC: Greg Kroah-Hartman <[email protected]> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
