Author: yongari
Date: Fri Apr 14 03:23:03 2017
New Revision: 316808
URL: https://svnweb.freebsd.org/changeset/base/316808

Log:
  Remove unnecessary check aginst NULL.  txp_ext_command() with
  TXP_CMD_WAIT argument allocates a response buffer.  If the allocation
  fails, txp_ext_command() returns an error and it's handed in caller.
  
  Found by:     PVS-Studio

Modified:
  head/sys/dev/txp/if_txp.c

Modified: head/sys/dev/txp/if_txp.c
==============================================================================
--- head/sys/dev/txp/if_txp.c   Fri Apr 14 03:20:34 2017        (r316807)
+++ head/sys/dev/txp/if_txp.c   Fri Apr 14 03:23:03 2017        (r316808)
@@ -400,8 +400,7 @@ txp_attach(device_t dev)
                    "Unknown Typhoon sleep image version: %u:0x%08x\n",
                    rsp->rsp_numdesc, p2);
        }
-       if (rsp != NULL)
-               free(rsp, M_DEVBUF);
+       free(rsp, M_DEVBUF);
 
        sc->sc_xcvr = TXP_XCVR_AUTO;
        txp_command(sc, TXP_CMD_XCVR_SELECT, TXP_XCVR_AUTO, 0, 0,
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