diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-19 17:23:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-19 17:23:28 -0700 |
| commit | 98c89cdd3a292af3451e47a2a33132f5183861b0 (patch) | |
| tree | cfad77bcfd2d04fb0b9326a859803a1ab90b0757 /drivers/isdn/divert | |
| parent | 164d44fd92e79d5bce54d0d62df9f856f7b23925 (diff) | |
| parent | 99df95a22f7cfcf85405d4edc07c2d953542f0dd (diff) | |
Merge branch 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing
* 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing:
sunrpc: Include missing smp_lock.h
procfs: Kill the bkl in ioctl
procfs: Push down the bkl from ioctl
procfs: Use generic_file_llseek in /proc/vmcore
procfs: Use generic_file_llseek in /proc/kmsg
procfs: Use generic_file_llseek in /proc/kcore
procfs: Kill BKL in llseek on proc base
Diffstat (limited to 'drivers/isdn/divert')
| -rw-r--r-- | drivers/isdn/divert/divert_procfs.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c index 9f49d906579..c53e2417e7d 100644 --- a/drivers/isdn/divert/divert_procfs.c +++ b/drivers/isdn/divert/divert_procfs.c @@ -20,6 +20,7 @@ #include <linux/sched.h> #include <linux/isdnif.h> #include <net/net_namespace.h> +#include <linux/smp_lock.h> #include "isdn_divert.h" @@ -177,9 +178,7 @@ isdn_divert_close(struct inode *ino, struct file *filep) /*********/ /* IOCTL */ /*********/ -static int -isdn_divert_ioctl(struct inode *inode, struct file *file, - uint cmd, ulong arg) +static int isdn_divert_ioctl_unlocked(struct file *file, uint cmd, ulong arg) { divert_ioctl dioctl; int i; @@ -258,6 +257,17 @@ isdn_divert_ioctl(struct inode *inode, struct file *file, return copy_to_user((void __user *)arg, &dioctl, sizeof(dioctl)) ? -EFAULT : 0; } /* isdn_divert_ioctl */ +static long isdn_divert_ioctl(struct file *file, uint cmd, ulong arg) +{ + long ret; + + lock_kernel(); + ret = isdn_divert_ioctl_unlocked(file, cmd, arg); + unlock_kernel(); + + return ret; +} + static const struct file_operations isdn_fops = { .owner = THIS_MODULE, @@ -265,7 +275,7 @@ static const struct file_operations isdn_fops = .read = isdn_divert_read, .write = isdn_divert_write, .poll = isdn_divert_poll, - .ioctl = isdn_divert_ioctl, + .unlocked_ioctl = isdn_divert_ioctl, .open = isdn_divert_open, .release = isdn_divert_close, }; |