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Subject[PATCH 3/4] dcbnl: Adjust five checks for null pointers
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Date
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sat, 28 Jan 2017 09:56:36 +0100
MIME-Version: 1.0
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The script "checkpatch.pl" pointed information out like the following.

Comparison to NULL could be written !…

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
net/dcb/dcbnl.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index f29e19d962ec..0903081a1212 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -398,7 +398,7 @@ static int dcbnl_setnumtcs(struct net_device *netdev, struct nlmsghdr *nlh,
return ret;

for (i = DCB_NUMTCS_ATTR_ALL+1; i <= DCB_NUMTCS_ATTR_MAX; i++) {
- if (data[i] == NULL)
+ if (!data[i])
continue;

value = nla_get_u8(data[i]);
@@ -741,7 +741,7 @@ static int dcbnl_setpfccfg(struct net_device *netdev, struct nlmsghdr *nlh,
return ret;

for (i = DCB_PFC_UP_ATTR_0; i <= DCB_PFC_UP_ATTR_7; i++) {
- if (data[i] == NULL)
+ if (!data[i])
continue;
value = nla_get_u8(data[i]);
netdev->dcbnl_ops->setpfccfg(netdev,
@@ -955,7 +955,7 @@ static int dcbnl_bcn_setcfg(struct net_device *netdev, struct nlmsghdr *nlh,
return ret;

for (i = DCB_BCN_ATTR_RP_0; i <= DCB_BCN_ATTR_RP_7; i++) {
- if (data[i] == NULL)
+ if (!data[i])
continue;
value_byte = nla_get_u8(data[i]);
netdev->dcbnl_ops->setbcnrp(netdev,
@@ -963,7 +963,7 @@ static int dcbnl_bcn_setcfg(struct net_device *netdev, struct nlmsghdr *nlh,
}

for (i = DCB_BCN_ATTR_BCNA_0; i <= DCB_BCN_ATTR_RI; i++) {
- if (data[i] == NULL)
+ if (!data[i])
continue;
value_int = nla_get_u32(data[i]);
netdev->dcbnl_ops->setbcncfg(netdev,
@@ -1632,7 +1632,7 @@ static int dcbnl_setfeatcfg(struct net_device *netdev, struct nlmsghdr *nlh,
goto err;

for (i = DCB_FEATCFG_ATTR_ALL+1; i <= DCB_FEATCFG_ATTR_MAX; i++) {
- if (data[i] == NULL)
+ if (!data[i])
continue;

value = nla_get_u8(data[i]);
--
2.11.0
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