diff options
| author | David S. Miller <davem@davemloft.net> | 2011-06-20 22:29:08 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-06-20 22:29:08 -0700 |
| commit | 9f6ec8d697c08963d83880ccd35c13c5ace716ea (patch) | |
| tree | ad8d93cf6fcdd09b86ade09f5fcbbc66cdb1cca2 /drivers/ptp | |
| parent | 4aa3a715551c93eda32d79bd52042ce500bd5383 (diff) | |
| parent | 56299378726d5f2ba8d3c8cbbd13cb280ba45e4f (diff) | |
| download | op-kernel-dev-9f6ec8d697c08963d83880ccd35c13c5ace716ea.zip op-kernel-dev-9f6ec8d697c08963d83880ccd35c13c5ace716ea.tar.gz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
drivers/net/wireless/rtlwifi/pci.c
net/netfilter/ipvs/ip_vs_core.c
Diffstat (limited to 'drivers/ptp')
| -rw-r--r-- | drivers/ptp/ptp_chardev.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c index a8d03ae..e7f301da2 100644 --- a/drivers/ptp/ptp_chardev.c +++ b/drivers/ptp/ptp_chardev.c @@ -46,7 +46,8 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg) caps.n_ext_ts = ptp->info->n_ext_ts; caps.n_per_out = ptp->info->n_per_out; caps.pps = ptp->info->pps; - err = copy_to_user((void __user *)arg, &caps, sizeof(caps)); + if (copy_to_user((void __user *)arg, &caps, sizeof(caps))) + err = -EFAULT; break; case PTP_EXTTS_REQUEST: @@ -129,8 +130,10 @@ ssize_t ptp_read(struct posix_clock *pc, return -ERESTARTSYS; } - if (ptp->defunct) + if (ptp->defunct) { + mutex_unlock(&ptp->tsevq_mux); return -ENODEV; + } spin_lock_irqsave(&queue->lock, flags); @@ -150,10 +153,8 @@ ssize_t ptp_read(struct posix_clock *pc, mutex_unlock(&ptp->tsevq_mux); - if (copy_to_user(buf, event, cnt)) { - mutex_unlock(&ptp->tsevq_mux); + if (copy_to_user(buf, event, cnt)) return -EFAULT; - } return cnt; } |
