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author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-10 13:47:26 -0500 |
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committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-10 13:47:26 -0500 |
commit | f0cd91a68acdc9b49d7f6738b514a426da627649 (patch) | |
tree | 8ad73564015794197583b094217ae0a71e71e753 /drivers/infiniband/hw/ipath/ipath_sysfs.c | |
parent | 60eef25701d25e99c991dd0f4a9f3832a0c3ad3e (diff) | |
parent | 128e6ced247cda88f96fa9f2e4ba8b2c4a681560 (diff) |
Merge ../linux-2.6
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 32acd8048b4..f323791cc49 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) |