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greybus: unlock gbuf mutex on free

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To drop a reference on a gbuf, greybus_free_gbuf() is called.  That
uses kref_put_mutex() to drop the refernce under protection of
gbuf_mutex.  However the release routine, free_gbuf(), never
releases the mutex as it should.  Fix that.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
This commit is contained in:
Alex Elder 2014-10-16 06:35:25 -05:00 • committed by Greg Kroah-Hartman
commit ad8cd0d643
1 changed files with 1 additions and 0 deletions
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1
drivers/staging/greybus/gbuf.c
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@ -82,6 +82,7 @@ static void free_gbuf(struct kref *kref)
gbuf->connection->hd->driver->free_gbuf_data(gbuf);
kmem_cache_free(gbuf_head_cache, gbuf);
mutex_unlock(&gbuf_mutex);
}
void greybus_free_gbuf(struct gbuf *gbuf)