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staging: gdm724x: Place macro argument within parentheses 

Place the macro arguments within parentheses to avoid precedence issues.
This solves the following checkpatch.pl warnings

CHECK: Macro argument 'len' may be better as '(len)' to avoid precedence issues
+#define ND_NLMSG_S_LEN(len)    (len + ND_IFINDEX_LEN)

CHECK: Macro argument 'nlh' may be better as '(nlh)' to avoid precedence issues
+#define ND_NLMSG_R_LEN(nlh)    (nlh->nlmsg_len - ND_IFINDEX_LEN)

Signed-off-by: Dee-Jay Anthony Logozzo <dj@djl.id.au>
Link: https://lore.kernel.org/r/20210811134132.5240-1-dj@djl.id.au
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dee-Jay Anthony Logozzo 2021-08-11 23:41:32 +10:00 committed by Greg Kroah-Hartman
parent 25ee7e89d4
commit 959aabedcd
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/gdm724x/netlink_k.c
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@ -19,8 +19,8 @@ static DEFINE_MUTEX(netlink_mutex);
#define ND_NLMSG_SPACE(len) (NLMSG_SPACE(len) + ND_IFINDEX_LEN)
#define ND_NLMSG_DATA(nlh) ((void *)((char *)NLMSG_DATA(nlh) + \
ND_IFINDEX_LEN))
#define ND_NLMSG_S_LEN(len) (len + ND_IFINDEX_LEN)
#define ND_NLMSG_R_LEN(nlh) (nlh->nlmsg_len - ND_IFINDEX_LEN)
#define ND_NLMSG_S_LEN(len) ((len) + ND_IFINDEX_LEN)
#define ND_NLMSG_R_LEN(nlh) ((nlh)->nlmsg_len - ND_IFINDEX_LEN)
#define ND_NLMSG_IFIDX(nlh) NLMSG_DATA(nlh)
#define ND_MAX_MSG_LEN (1024 * 32)