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| author | Paul Fulghum <paulkf@microgate.com> | 2005-09-09 13:02:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-09 13:57:33 -0700 |
| commit | 9661239f7f698ba3a79db5e8ab5bb2f4090663d9 (patch) | |
| tree | a26280d642eef11d3034a832e21072b1d453a803 /drivers/char/synclink.c | |
| parent | 4a918bc233c8b9537fbc05a8bbb33928a4980cc5 (diff) | |
| download | linux-9661239f7f698ba3a79db5e8ab5bb2f4090663d9.tar.gz linux-9661239f7f698ba3a79db5e8ab5bb2f4090663d9.tar.bz2 linux-9661239f7f698ba3a79db5e8ab5bb2f4090663d9.zip | |
[PATCH] synclink.c: add clear stats
Add the ability to clear statistics.
Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/synclink.c')
| -rw-r--r-- | drivers/char/synclink.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index 747eb8d18166..26b421b74bb6 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -1814,6 +1814,8 @@ static int startup(struct mgsl_struct * info) info->pending_bh = 0; + memset(&info->icount, 0, sizeof(info->icount)); + init_timer(&info->tx_timer); info->tx_timer.data = (unsigned long)info; info->tx_timer.function = mgsl_tx_timeout; @@ -2470,12 +2472,12 @@ static int mgsl_get_stats(struct mgsl_struct * info, struct mgsl_icount __user * printk("%s(%d):mgsl_get_params(%s)\n", __FILE__,__LINE__, info->device_name); - COPY_TO_USER(err,user_icount, &info->icount, sizeof(struct mgsl_icount)); - if (err) { - if ( debug_level >= DEBUG_LEVEL_INFO ) - printk( "%s(%d):mgsl_get_stats(%s) user buffer copy failed\n", - __FILE__,__LINE__,info->device_name); - return -EFAULT; + if (!user_icount) { + memset(&info->icount, 0, sizeof(info->icount)); + } else { + COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount)); + if (err) + return -EFAULT; } return 0; |