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net/eth: fix incorrect check of iov_to_buf() return value 

So we have sizeof(struct in6_address) != sizeof(uintptr_t)
and Clang > Coverity on this, see 4555ca6816 :)

net/eth.c:426:30: warning: The code calls sizeof() on a pointer type. This can produce an unexpected result
        return bytes_read == sizeof(dst_addr);
                             ^     ~~~~~~~~~~
net/eth.c:475:34: warning: The code calls sizeof() on a pointer type. This can produce an unexpected result
            return bytes_read == sizeof(src_addr);
                                 ^     ~~~~~~~~~~

Reported-by: Clang Static Analyzer
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Philippe Mathieu-Daudé 2017-07-26 23:42:12 -03:00 committed by Michael Tokarev
parent 9f26f32525
commit b2caa3b82e
1 changed files with 2 additions and 2 deletions
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4
net/eth.c
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@ -423,7 +423,7 @@ _eth_get_rss_ex_dst_addr(const struct iovec *pkt, int pkt_frags,
rthdr_offset + sizeof(*ext_hdr),
dst_addr, sizeof(*dst_addr));
return bytes_read == sizeof(dst_addr);
return bytes_read == sizeof(*dst_addr);
}
return false;
@ -472,7 +472,7 @@ _eth_get_rss_ex_src_addr(const struct iovec *pkt, int pkt_frags,
opt_offset + sizeof(opthdr),
src_addr, sizeof(*src_addr));
return bytes_read == sizeof(src_addr);
return bytes_read == sizeof(*src_addr);
}
opt_offset += optlen;