Hi, dev_lock() looks this way:
void
dev_lock(void)
{
if (!mtx_initialized(&devmtx))
mtx_init(&devmtx, "cdev", NULL, MTX_DEF);
mtx_lock(&devmtx);
}
I wonder why is the mtx_initialized checking necessary? shouldnt explicit
initialization be sufficient?
thnx for answer
roman
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