telephony: fix return value
If copy_from_user fails, the return value gets overwritten. Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -6581,7 +6581,8 @@ static long do_ixj_ioctl(struct file *file_p, unsigned int cmd, unsigned long ar
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case IXJCTL_SET_FILTER:
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if (copy_from_user(&jf, argp, sizeof(jf)))
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retval = -EFAULT;
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retval = ixj_init_filter(j, &jf);
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else
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retval = ixj_init_filter(j, &jf);
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break;
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case IXJCTL_SET_FILTER_RAW:
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if (copy_from_user(&jfr, argp, sizeof(jfr)))
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