replace 0 by NULL for null pointers to ioctl() functions.

add comments about usage of null pointer.

git-svn-id: svn://svn.berlios.de//socketcan/trunk@30 030b6a49-0b11-0410-94ab-b0dab22257f2

diff --git a/kernel/2.4/can/bcm.c b/kernel/2.4/can/bcm.c
index 8cfaa6ad034bc57a6c0303907c72ba453b501360..046f2999759eaa612f554a37688a5ecef119c07b 100644 (file)
--- a/kernel/2.4/can/bcm.c
+++ b/kernel/2.4/can/bcm.c
@@ -154,7 +154,7 @@ static struct proto_ops bcm_ops = {
     .accept        = sock_no_accept,
     .getname       = sock_no_getname,
     .poll          = bcm_poll,
-    .ioctl         = 0,
+    .ioctl         = NULL,     /* use can_ioctl() from af_can.c */
     .listen        = sock_no_listen,
     .shutdown      = sock_no_shutdown,
     .setsockopt    = sock_no_setsockopt,

diff --git a/kernel/2.4/can/raw.c b/kernel/2.4/can/raw.c
index a285d0d15836a2625fe52985704f69d12000bc6b..be3a6e5a4090b13dced8c2f09d2f15a45bc8c5f2 100644 (file)
--- a/kernel/2.4/can/raw.c
+++ b/kernel/2.4/can/raw.c
@@ -123,7 +123,7 @@ static struct proto_ops raw_ops = {
     .accept        = sock_no_accept,
     .getname       = raw_getname,
     .poll          = raw_poll,
-    .ioctl         = 0,
+    .ioctl         = NULL,     /* use can_ioctl() from af_can.c */
     .listen        = sock_no_listen,
     .shutdown      = sock_no_shutdown,
     .setsockopt    = raw_setsockopt,

diff --git a/kernel/2.6/net/can/bcm.c b/kernel/2.6/net/can/bcm.c
index 1a41a76d7875ef7cf182316039244d4e8811cd65..6b0ceb78e451348bf33681b719ed8babdd20ba78 100644 (file)
--- a/kernel/2.6/net/can/bcm.c
+++ b/kernel/2.6/net/can/bcm.c
@@ -154,7 +154,7 @@ static struct proto_ops bcm_ops = {
        .accept        = sock_no_accept,
        .getname       = sock_no_getname,
        .poll          = bcm_poll,
-       .ioctl         = 0,
+       .ioctl         = NULL,          /* use can_ioctl() from af_can.c */
        .listen        = sock_no_listen,
        .shutdown      = sock_no_shutdown,
        .setsockopt    = sock_no_setsockopt,

diff --git a/kernel/2.6/net/can/raw.c b/kernel/2.6/net/can/raw.c
index 17bc11c25d6eb9980c43aa99d0a68a1b7f3658eb..7e4e488ad496aaf342a2a6b176e836c2ac2df7af 100644 (file)
--- a/kernel/2.6/net/can/raw.c
+++ b/kernel/2.6/net/can/raw.c
@@ -110,7 +110,7 @@ static struct proto_ops raw_ops = {
        .accept        = sock_no_accept,
        .getname       = raw_getname,
        .poll          = raw_poll,
-       .ioctl         = 0,
+       .ioctl         = NULL,          /* use can_ioctl() from af_can.c */
        .listen        = sock_no_listen,
        .shutdown      = sock_no_shutdown,
        .setsockopt    = raw_setsockopt,