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drivers/staging/gasket: Use refcount_read()

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Use the refcount_read accessor function, avoid reaching into refcount
and atomic struct fields.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Todd Poynor
2018-07-06 23:43:10 -07:00
committed by Alex Van Damme
parent 14da0230d8
commit 392480bf3f
1 changed files with 1 additions and 1 deletions
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gasket_sysfs.c
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@@ -122,7 +122,7 @@ static void put_mapping(struct gasket_sysfs_mapping *mapping)
} }
mutex_lock(&mapping->mutex); mutex_lock(&mapping->mutex);
if (mapping->refcount.refcount.refs.counter == 0) if (refcount_read(&mapping->refcount.refcount) == 0)
gasket_nodev_error("Refcount is already 0!"); gasket_nodev_error("Refcount is already 0!");
if (kref_put(&mapping->refcount, release_entry)) { if (kref_put(&mapping->refcount, release_entry)) {
gasket_nodev_info("Removing Gasket sysfs mapping, device %s", gasket_nodev_info("Removing Gasket sysfs mapping, device %s",