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vinput: Fix missing error code

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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'
This commit is contained in:
Chih-En Lin 2022-11-04 01:16:14 +08:00
parent 9892214764
commit d81d968b0e
1 changed files with 1 additions and 0 deletions
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examples/vinput.c
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@ -369,6 +369,7 @@ static int __init vinput_init(void)
vinput_dev = register_chrdev(0, DRIVER_NAME, &vinput_fops);
if (vinput_dev < 0) {
pr_err("vinput: Unable to allocate char dev region\n");
err = vinput_dev;
goto failed_alloc;
}