Author: kevans
Date: Mon Apr 8 17:55:04 2019
New Revision: 346035
URL: https://svnweb.freebsd.org/changeset/base/346035
Log:
MFC r343240: iwm(4): Fix possible null pointer indirection
Modified:
stable/12/sys/dev/iwm/if_iwm.c
Directory Properties:
stable/12/ (props changed)
Changes in other areas also in this revision:
Modified:
stable/11/sys/dev/iwm/if_iwm.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/12/sys/dev/iwm/if_iwm.c
==============================================================================
--- stable/12/sys/dev/iwm/if_iwm.c Mon Apr 8 17:41:39 2019
(r346034)
+++ stable/12/sys/dev/iwm/if_iwm.c Mon Apr 8 17:55:04 2019
(r346035)
@@ -1033,7 +1033,8 @@ iwm_reset_rx_ring(struct iwm_softc *sc, struct iwm_rx_
* The hw rx ring index in shared memory must also be cleared,
* otherwise the discrepancy can cause reprocessing chaos.
*/
- memset(sc->rxq.stat, 0, sizeof(*sc->rxq.stat));
+ if (sc->rxq.stat)
+ memset(sc->rxq.stat, 0, sizeof(*sc->rxq.stat));
}
static void
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