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| author | kib <kib@FreeBSD.org> | 2012-02-21 01:05:12 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2012-02-21 01:05:12 +0000 |
| commit | 80ae8fe82cdaa69f78dc90fa27bc9e79863de0ea (patch) | |
| tree | d0d078391c4959fc08545db4ab619daadd9cf1d9 /sys/kern/tty_ttydisc.c | |
| parent | 31a24bc1664a822f3d06595f42063719e6902ff1 (diff) | |
| download | FreeBSD-src-80ae8fe82cdaa69f78dc90fa27bc9e79863de0ea.zip FreeBSD-src-80ae8fe82cdaa69f78dc90fa27bc9e79863de0ea.tar.gz | |
Fix found places where uio_resid is truncated to int.
Add the sysctl debug.iosize_max_clamp, enabled by default. Setting the
sysctl to zero allows to perform the SSIZE_MAX-sized i/o requests from
the usermode.
Discussed with: bde, das (previous versions)
MFC after: 1 month
Diffstat (limited to 'sys/kern/tty_ttydisc.c')
| -rw-r--r-- | sys/kern/tty_ttydisc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/kern/tty_ttydisc.c b/sys/kern/tty_ttydisc.c index 1ac204b..6d36de4 100644 --- a/sys/kern/tty_ttydisc.c +++ b/sys/kern/tty_ttydisc.c @@ -180,7 +180,7 @@ static int ttydisc_read_raw_no_timer(struct tty *tp, struct uio *uio, int ioflag) { size_t vmin = tp->t_termios.c_cc[VMIN]; - int oresid = uio->uio_resid; + ssize_t oresid = uio->uio_resid; int error; MPASS(tp->t_termios.c_cc[VTIME] == 0); @@ -265,7 +265,7 @@ static int ttydisc_read_raw_interbyte_timer(struct tty *tp, struct uio *uio, int ioflag) { size_t vmin = tp->t_termios.c_cc[VMIN]; - int oresid = uio->uio_resid; + ssize_t oresid = uio->uio_resid; int error; MPASS(tp->t_termios.c_cc[VMIN] != 0); @@ -1173,7 +1173,7 @@ int ttydisc_getc_uio(struct tty *tp, struct uio *uio) { int error = 0; - int obytes = uio->uio_resid; + ssize_t obytes = uio->uio_resid; size_t len; char buf[TTY_STACKBUF]; |
