test malloc return against NULL not 0

diff --git a/sys/dev/isa/if_eg.c b/sys/dev/isa/if_eg.c
index 686eb1f..cd9c14b 100644 (file)
--- a/sys/dev/isa/if_eg.c
+++ b/sys/dev/isa/if_eg.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_eg.c,v 1.52 2023/09/11 08:41:26 mvs Exp $  */
+/*     $OpenBSD: if_eg.c,v 1.53 2024/08/19 03:08:27 jsg Exp $  */
 /*     $NetBSD: if_eg.c,v 1.26 1996/05/12 23:52:27 mycroft Exp $       */
 
 /*
@@ -442,11 +442,11 @@ eginit(register struct eg_softc *sc)
                printf("%s: configure card command failed\n",
                    sc->sc_dev.dv_xname);
 
-       if (sc->eg_inbuf == 0)
+       if (sc->eg_inbuf == NULL)
                sc->eg_inbuf = malloc(EG_BUFLEN, M_TEMP, M_NOWAIT);
        sc->eg_incount = 0;
 
-       if (sc->eg_outbuf == 0)
+       if (sc->eg_outbuf == NULL)
                sc->eg_outbuf = malloc(EG_BUFLEN, M_TEMP, M_NOWAIT);
 
        bus_space_write_1(bst, bsh, EG_CONTROL, EG_CTL_CMDE);

diff --git a/sys/dev/isa/if_le_isapnp.c b/sys/dev/isa/if_le_isapnp.c
index 867efd8..48813c3 100644 (file)
--- a/sys/dev/isa/if_le_isapnp.c
+++ b/sys/dev/isa/if_le_isapnp.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_le_isapnp.c,v 1.15 2022/04/06 18:59:28 naddy Exp $ */
+/*     $OpenBSD: if_le_isapnp.c,v 1.16 2024/08/19 03:08:27 jsg Exp $   */
 /*     $NetBSD: if_le_isa.c,v 1.2 1996/05/12 23:52:56 mycroft Exp $    */
 
 /*-
@@ -102,7 +102,7 @@ le_isapnp_attach(struct device *parent, struct device *self, void *aux)
                sc->sc_arpcom.ac_enaddr[i] = bus_space_read_1(iot, ioh, i);
 
        sc->sc_mem = malloc(16384, M_DEVBUF, M_NOWAIT);
-       if (sc->sc_mem == 0) {
+       if (sc->sc_mem == NULL) {
                printf(": couldn't allocate memory for card\n");
                return;
        }

diff --git a/sys/dev/pci/if_bnx.c b/sys/dev/pci/if_bnx.c
index c2eff8b..6d18e3a 100644 (file)
--- a/sys/dev/pci/if_bnx.c
+++ b/sys/dev/pci/if_bnx.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_bnx.c,v 1.133 2023/11/10 15:51:20 bluhm Exp $      */
+/*     $OpenBSD: if_bnx.c,v 1.134 2024/08/19 03:08:27 jsg Exp $        */
 
 /*-
  * Copyright (c) 2006 Broadcom Corporation
@@ -1950,7 +1950,7 @@ bnx_nvram_write(struct bnx_softc *sc, u_int32_t offset, u_int8_t *data_buf,
 
        if (align_start || align_end) {
                buf = malloc(len32, M_DEVBUF, M_NOWAIT);
-               if (buf == 0)
+               if (buf == NULL)
                        return (ENOMEM);
 
                if (align_start)