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(parent: f140ad9) | patch
i40e: protect ring accesses with READ- and WRITE_ONCE
authorCiara Loftus <ciara.loftus@intel.com>
Tue, 9 Jun 2020 13:19:44 +0000 (13:19 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Fri, 19 Jun 2020 05:31:21 +0000 (22:31 -0700)
commitd59e267912cd90b0adf33b4659050d831e746317
tree0fb3ec9db137101e6f734174f976c4b2d01ba90ftree | snapshot
parentf140ad9fe2ae16f385f8fe4dc9cf67bb4c51d794commit | diff
i40e: protect ring accesses with READ- and WRITE_ONCE

READ_ONCE should be used when reading rings prior to accessing the
statistics pointer. Introduce this as well as the corresponding WRITE_ONCE
usage when allocating and freeing the rings, to ensure protected access.

Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/i40e/i40e_main.c diff | blob | history
Domain: System / Kernel;