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sndio
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panic() if read buffer overruns

This commit is contained in:
Alexandre Ratchov 2012-10-16 09:47:48 +02:00
parent c3b7829b02
commit 10bd2bb48a
1 changed files with 11 additions and 0 deletions
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11
sndiod/sock.c
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@ -499,6 +499,17 @@ sock_rdata(struct sock *f)
buf = &f->midi->ibuf;
data = abuf_wgetblk(buf, &count) + f->rsize - f->rtodo;
#ifdef DEBUG
/*
* XXX: this can happen in MIDIOUT mode, since we dont
* have flow control
*/
if (count < f->rtodo) {
sock_log(f);
log_puts(": data read buffer overrun\n");
panic();
}
#endif
n = read(f->fd, data, f->rtodo);
if (n < 0) {
if (errno == EFAULT) {