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Make the check work.

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Embarrassing.
This commit is contained in:
Ori Bernstein 2018-12-23 23:10:42 -08:00
parent c80f22f74a
commit ee9b29550f
1 changed files with 6 additions and 11 deletions
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17
sys/src/cmd/nusb/disk/disk.c
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@ -361,15 +361,6 @@ umsinit(void)
return 0;
}
static int
needunstall(void)
{
char buf[ERRMAX];
rerrstr(buf, sizeof(buf));
return strstr(buf, "medium not present") == nil;
}
/*
* called by SR*() commands provided by scuzz's scsireq
@ -377,11 +368,15 @@ needunstall(void)
long
umsrequest(Umsc *umsc, ScsiPtr *cmd, ScsiPtr *data, int *status)
{
char buf[ERRMAX];
Cbw cbw;
Csw csw;
int n, nio;
int n, nio, present;
Ums *ums;
rerrstr(buf, sizeof(buf));
present = strstr(buf, "medium not present") == nil;
ums = umsc->ums;
memcpy(cbw.signature, "USBC", 4);
@ -427,7 +422,7 @@ umsrequest(Umsc *umsc, ScsiPtr *cmd, ScsiPtr *data, int *status)
else
fprint(2, "disk: data: %d bytes (nio: %d)\n", n, nio);
nio = n;
if(n < 0 && needunstall() || (n <= 9 || data->write == 0))
if((n == 0 && present) || (n < 0 && data->write == 0))
unstall(dev, ums->epin, Ein);
}