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IB/ipath: Correct ipath_verbs_register_sysfs() error handling

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ipath_verbs_register_sysfs() never returned the correct error
code from device_create_file and never cleaned up from a failure.
Additionally, the caller of ipath_verbs_register_sysfs() doesn't
return the correct "ret" value.

This patch resolves all of these issues.

Reported-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Mike Marciniszyn 2013-03-28 18:12:28 +00:00 committed by Roland Dreier
parent 41ef2d5678
commit 137200a4bb
1 changed files with 10 additions and 9 deletions
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19
drivers/infiniband/hw/ipath/ipath_verbs.c
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@ -2187,7 +2187,8 @@ int ipath_register_ib_device(struct ipath_devdata *dd)
if (ret)
goto err_reg;
if (ipath_verbs_register_sysfs(dev))
ret = ipath_verbs_register_sysfs(dev);
if (ret)
goto err_class;
enable_timer(dd);
@ -2327,15 +2328,15 @@ static int ipath_verbs_register_sysfs(struct ib_device *dev)
int i;
int ret;
for (i = 0; i < ARRAY_SIZE(ipath_class_attributes); ++i)
if (device_create_file(&dev->dev,
ipath_class_attributes[i])) {
ret = 1;
for (i = 0; i < ARRAY_SIZE(ipath_class_attributes); ++i) {
ret = device_create_file(&dev->dev,
ipath_class_attributes[i]);
if (ret)
goto bail;
}
ret = 0;
}
return 0;
bail:
for (i = 0; i < ARRAY_SIZE(ipath_class_attributes); ++i)
device_remove_file(&dev->dev, ipath_class_attributes[i]);
return ret;
}