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| author | David Woodhouse <dwmw2@infradead.org> | 2006-05-06 19:59:18 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-05-06 19:59:18 +0100 |
| commit | 5047f09b56d0bc3c21aec9cb16de60283da645c6 (patch) | |
| tree | 09a07554b933c3bb912ce3bfc0ea7c7e1f16041c /drivers/infiniband/hw/ipath/ipath_sysfs.c | |
| parent | c0f1fe00c3923135b2c2f443448585482da8a53e (diff) | |
| parent | 5528e568a760442e0ec8fd2dea1f0791875a066b (diff) | |
| download | linux-5047f09b56d0bc3c21aec9cb16de60283da645c6.tar.gz linux-5047f09b56d0bc3c21aec9cb16de60283da645c6.tar.bz2 linux-5047f09b56d0bc3c21aec9cb16de60283da645c6.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_sysfs.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_sysfs.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_sysfs.c b/drivers/infiniband/hw/ipath/ipath_sysfs.c index 32acd8048b49..f323791cc495 100644 --- a/drivers/infiniband/hw/ipath/ipath_sysfs.c +++ b/drivers/infiniband/hw/ipath/ipath_sysfs.c @@ -711,10 +711,22 @@ static struct attribute_group dev_attr_group = { * enters diag mode. A device reset is quite likely to crash the * machine entirely, so we don't want to normally make it * available. + * + * Called with ipath_mutex held. */ int ipath_expose_reset(struct device *dev) { - return device_create_file(dev, &dev_attr_reset); + static int exposed; + int ret; + + if (!exposed) { + ret = device_create_file(dev, &dev_attr_reset); + exposed = 1; + } + else + ret = 0; + + return ret; } int ipath_driver_create_group(struct device_driver *drv) |