diff options
| author | cinap_lenrek <cinap_lenrek@gmx.de> | 2013-06-16 06:26:31 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@gmx.de> | 2013-06-16 06:26:31 +0200 |
| commit | e36d9f5c4e667970a4a7aa15744e304ccc7c58f3 (patch) | |
| tree | 353251f1adcf5cd89a1cc901f7aed099011b8a19 /sys/src/cmd/cpu.c | |
| parent | d84aeddee7911c9df739bad58c72189ac336f23f (diff) | |
make filesystem handling of read9pmsg() consistent
Diffstat (limited to 'sys/src/cmd/cpu.c')
| -rw-r--r-- | sys/src/cmd/cpu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/src/cmd/cpu.c b/sys/src/cmd/cpu.c index 16d73e814..16c0f6186 100644 --- a/sys/src/cmd/cpu.c +++ b/sys/src/cmd/cpu.c @@ -1090,11 +1090,13 @@ notefs(int fd) ncpunote = 0; for(;;){ n = read9pmsg(fd, buf, sizeof(buf)); - if(n <= 0){ + if(n < 0){ if(dbg) fprint(2, "read9pmsg(%d) returns %d: %r\n", fd, n); break; } + if(n == 0) + continue; if(convM2S(buf, n, &f) <= BIT16SZ) break; if(dbg) |