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| author | Jonathan Corbet <corbet@lwn.net> | 2008-05-16 14:11:09 -0600 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-20 14:05:52 -0600 |
| commit | dea3f665d6fa263a9870a54e9f8cfd146016f140 (patch) | |
| tree | db875a35dcc762c01439588afa5fb542bac8f8e3 | |
| parent | 9aaf20cbf5b7cccd45495326cba0b35b2884e6b3 (diff) | |
| download | op-kernel-dev-dea3f665d6fa263a9870a54e9f8cfd146016f140.zip op-kernel-dev-dea3f665d6fa263a9870a54e9f8cfd146016f140.tar.gz | |
dpt_i20: BKL pushdown
Add lock_kernel() calls to adpt_open()
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| -rw-r--r-- | drivers/scsi/dpt_i2o.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 8508816..2bc30e3 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -49,6 +49,7 @@ MODULE_DESCRIPTION("Adaptec I2O RAID Driver"); #include <linux/kernel.h> /* for printk */ #include <linux/sched.h> #include <linux/reboot.h> +#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/dma-mapping.h> @@ -1727,10 +1728,12 @@ static int adpt_open(struct inode *inode, struct file *file) int minor; adpt_hba* pHba; + lock_kernel(); //TODO check for root access // minor = iminor(inode); if (minor >= hba_count) { + unlock_kernel(); return -ENXIO; } mutex_lock(&adpt_configuration_lock); @@ -1741,6 +1744,7 @@ static int adpt_open(struct inode *inode, struct file *file) } if (pHba == NULL) { mutex_unlock(&adpt_configuration_lock); + unlock_kernel(); return -ENXIO; } @@ -1751,6 +1755,7 @@ static int adpt_open(struct inode *inode, struct file *file) pHba->in_use = 1; mutex_unlock(&adpt_configuration_lock); + unlock_kernel(); return 0; } |
