diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2010-02-10 16:55:28 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-10 16:55:28 -0800 |
| commit | 84abd88a70090cf00f9e45c3a81680874f17626e (patch) | |
| tree | 4f58b80057f6e1f5817af1dc33a5458b3dfc9a99 /drivers/net/ppp_async.c | |
| parent | 13ca0fcaa33f6b1984c4111b6ec5df42689fea6f (diff) | |
| parent | e28cab42f384745c8a947a9ccd51e4aae52f5d51 (diff) | |
Merge remote branch 'linus/master' into x86/bootmem
Diffstat (limited to 'drivers/net/ppp_async.c')
| -rw-r--r-- | drivers/net/ppp_async.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c index 6de8399d6dd..6a375ea4947 100644 --- a/drivers/net/ppp_async.c +++ b/drivers/net/ppp_async.c @@ -36,7 +36,7 @@ #define PPP_VERSION "2.4.2" -#define OBUFSIZE 256 +#define OBUFSIZE 4096 /* Structure for storing local state. */ struct asyncppp { @@ -337,10 +337,7 @@ ppp_asynctty_poll(struct tty_struct *tty, struct file *file, poll_table *wait) return 0; } -/* - * This can now be called from hard interrupt level as well - * as soft interrupt level or mainline. - */ +/* May sleep, don't call from interrupt level or with interrupts disabled */ static void ppp_asynctty_receive(struct tty_struct *tty, const unsigned char *buf, char *cflags, int count) @@ -561,8 +558,8 @@ ppp_async_encode(struct asyncppp *ap) * Start of a new packet - insert the leading FLAG * character if necessary. */ - if (islcp || flag_time == 0 - || time_after_eq(jiffies, ap->last_xmit + flag_time)) + if (islcp || flag_time == 0 || + time_after_eq(jiffies, ap->last_xmit + flag_time)) *buf++ = PPP_FLAG; ap->last_xmit = jiffies; fcs = PPP_INITFCS; @@ -699,8 +696,8 @@ ppp_async_push(struct asyncppp *ap) */ clear_bit(XMIT_BUSY, &ap->xmit_flags); /* any more work to do? if not, exit the loop */ - if (!(test_bit(XMIT_WAKEUP, &ap->xmit_flags) - || (!tty_stuffed && ap->tpkt))) + if (!(test_bit(XMIT_WAKEUP, &ap->xmit_flags) || + (!tty_stuffed && ap->tpkt))) break; /* more work to do, see if we can do it now */ if (test_and_set_bit(XMIT_BUSY, &ap->xmit_flags)) @@ -757,8 +754,8 @@ scan_ordinary(struct asyncppp *ap, const unsigned char *buf, int count) for (i = 0; i < count; ++i) { c = buf[i]; - if (c == PPP_ESCAPE || c == PPP_FLAG - || (c < 0x20 && (ap->raccm & (1 << c)) != 0)) + if (c == PPP_ESCAPE || c == PPP_FLAG || + (c < 0x20 && (ap->raccm & (1 << c)) != 0)) break; } return i; |