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netfilter: conntrack: Force inlining of build check to prevent build failure

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If gcc (e.g. 4.1.2) decides not to inline total_extension_size(), the
build will fail with:

    net/built-in.o: In function `nf_conntrack_init_start':
    (.text+0x9baf6): undefined reference to `__compiletime_assert_1893'

or

    ERROR: "__compiletime_assert_1893" [net/netfilter/nf_conntrack.ko] undefined!

Fix this by forcing inlining of total_extension_size().

Fixes: b3a5db109e ("netfilter: conntrack: use u8 for extension sizes again")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geert Uytterhoeven 2017-05-03 14:18:43 +02:00 committed by David S. Miller
parent 86f8e247b9
commit ab71632c45
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/nf_conntrack_core.c
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@ -1853,7 +1853,7 @@ EXPORT_SYMBOL_GPL(nf_conntrack_set_hashsize);
module_param_call(hashsize, nf_conntrack_set_hashsize, param_get_uint,
&nf_conntrack_htable_size, 0600);
static unsigned int total_extension_size(void)
static __always_inline unsigned int total_extension_size(void)
{
/* remember to add new extensions below */
BUILD_BUG_ON(NF_CT_EXT_NUM > 9);