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ip4_reass: Fix build error when IP_REASS_CHECK_OVERLAP=0

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The goto freepbuf code path is also used when IP_REASS_CHECK_OVERLAP=0.
Thus remove #if IP_REASS_CHECK_OVERLAP around the freepbuf label to fix
below build error:

cc -g -Wall -DLWIP_DEBUG -pedantic -Werror -Wparentheses -Wsequence-point -Wswitch-default -Wextra -Wundef -Wshadow -Wpointer-arith -Wcast-qual -Wc++-compat -Wwrite-strings -Wold-style-definition -Wcast-align -Wmissing-prototypes -Wredundant-decls -Wnested-externs -Wunreachable-code -Wuninitialized -Wlogical-op -I. -I../../.. -I../../../../lwip/src/include -I../../../ports/unix/port/include -I../../../../mbedtls/include -Wno-redundant-decls -DLWIP_HAVE_MBEDTLS=1 -c ../../../../lwip/src/core/ipv4/ip4_frag.c
../../../../lwip/src/core/ipv4/ip4_frag.c: In function
‘ip_reass_chain_frag_into_datagram_and_validate’: ../../../../lwip/src/core/ipv4/ip4_frag.c:412:7: error: label ‘freepbuf’ used but not defined
       goto freepbuf;
       ^~~~

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: goldsimon <goldsimon@gmx.de>
This commit is contained in:
Axel Lin 2017-12-13 20:15:23 +08:00 committed by goldsimon
parent 82483073f0
commit 4c90858482
1 changed files with 0 additions and 2 deletions
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2
src/core/ipv4/ip4_frag.c
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@ -491,14 +491,12 @@ ip_reass_chain_frag_into_datagram_and_validate(struct ip_reassdata *ipr, struct
}
/* If we come here, not all fragments were received, yet! */
return IP_REASS_VALIDATE_PBUF_QUEUED; /* not yet valid! */
#if IP_REASS_CHECK_OVERLAP
freepbuf:
clen = pbuf_clen(new_p);
LWIP_ASSERT("ip_reass_pbufcount >= clen", ip_reass_pbufcount >= clen);
ip_reass_pbufcount = (u16_t)(ip_reass_pbufcount - clen);
pbuf_free(new_p);
return IP_REASS_VALIDATE_PBUF_DROPPED;
#endif /* IP_REASS_CHECK_OVERLAP */
}
/**