netfilter: nf_conntrack_pptp: fix compilation warning with W=1 build
commit4946ea5c12
upstream. >> include/linux/netfilter/nf_conntrack_pptp.h:13:20: warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers] extern const char *const pptp_msg_name(u_int16_t msg); ^~~~~~ Reported-by: kbuild test robot <lkp@intel.com> Fixes:4c559f15ef
("netfilter: nf_conntrack_pptp: prevent buffer overflows in debug code") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -10,7 +10,7 @@
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#include <net/netfilter/nf_conntrack_expect.h>
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#include <uapi/linux/netfilter/nf_conntrack_tuple_common.h>
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extern const char *const pptp_msg_name(u_int16_t msg);
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const char *pptp_msg_name(u_int16_t msg);
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/* state of the control session */
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enum pptp_ctrlsess_state {
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@ -91,7 +91,7 @@ static const char *const pptp_msg_name_array[PPTP_MSG_MAX + 1] = {
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[PPTP_SET_LINK_INFO] = "SET_LINK_INFO"
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};
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const char *const pptp_msg_name(u_int16_t msg)
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const char *pptp_msg_name(u_int16_t msg)
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{
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if (msg > PPTP_MSG_MAX)
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return pptp_msg_name_array[0];
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