vinput: Fix missing error code #176
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Fix the missing error code when register_chrdev() failed. The report is from Smatch: Smatch failed: 1 warning(s), 0 error(s) /home/runner/work/lkmpg/lkmpg/examples/vinput.c:372 vinput_init() warn: missing error code 'err'
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Fix the missing error code when register_chrdev() failed. The report is from Smatch: