driver core: Add a guard() definition for the device_lock()
At present there are ~200 usages of device_lock() in the kernel. Some of those usages lead to "goto unlock;" patterns which have proven to be error prone. Define a "device" guard() definition to allow for those to be cleaned up and prevent new ones from appearing. Link: http://lore.kernel.org/r/657897453dda8_269bd29492@dwillia2-mobl3.amr.corp.intel.com.notmuch Link: http://lore.kernel.org/r/6577b0c2a02df_a04c5294bb@dwillia2-xfh.jf.intel.com.notmuch Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: Ira Weiny <ira.weiny@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:Dan Williams <dan.j.williams@intel.com> Reviewed-by:
Ira Weiny <ira.weiny@intel.com> Reviewed-by:
Dave Jiang <dave.jiang@intel.com> Reviewed-by:
Vishal Verma <vishal.l.verma@intel.com> Link: https://lore.kernel.org/r/170250854466.1522182.17555361077409628655.stgit@dwillia2-xfh.jf.intel.com Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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76101fa0
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