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IB/qib: Correct qib_verbs_register_sysfs() error handling 

qib_verbs_register_sysfs() never cleans up from a failure.
Additionally, the caller of qib_verbs_register_sysfs() doesn't
return the correct "ret" value.

This patch resolves both of those 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 18:17:20 +00:00 committed by Roland Dreier
parent 137200a4bb
commit c9bdad3c81
2 changed files with 7 additions and 2 deletions
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6
drivers/infiniband/hw/qib/qib_sysfs.c
View File

@ -808,10 +808,14 @@ int qib_verbs_register_sysfs(struct qib_devdata *dd)
for (i = 0; i < ARRAY_SIZE(qib_attributes); ++i) { for (i = 0; i < ARRAY_SIZE(qib_attributes); ++i) {
ret = device_create_file(&dev->dev, qib_attributes[i]); ret = device_create_file(&dev->dev, qib_attributes[i]);
if (ret) if (ret)
return ret; goto bail;
} }
return 0; return 0;
bail:
for (i = 0; i < ARRAY_SIZE(qib_attributes); ++i)
device_remove_file(&dev->dev, qib_attributes[i]);
return ret;
} }
/* /*

3
drivers/infiniband/hw/qib/qib_verbs.c
View File

@ -2234,7 +2234,8 @@ int qib_register_ib_device(struct qib_devdata *dd)
if (ret) if (ret)
goto err_agents; goto err_agents;
if (qib_verbs_register_sysfs(dd)) ret = qib_verbs_register_sysfs(dd);
if (ret)
goto err_class; goto err_class;
goto bail; goto bail;