diff options
author | David S. Miller <davem@davemloft.net> | 2016-08-30 00:54:02 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2016-08-30 00:54:02 -0400 |
commit | 6abdd5f5935fff978f950561f3c5175eb34dad73 (patch) | |
tree | 6f3ed3a4f4af9e74436ec9355ebf8201357f1c40 /tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c | |
parent | 0b498a52778368ff501557d68c7b50878ab1701e (diff) | |
parent | e4e98c460ad38c78498622a164fd5ef09a2dc9cb (diff) | |
download | linux-6abdd5f5935fff978f950561f3c5175eb34dad73.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
All three conflicts were cases of simple overlapping
changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c')
-rw-r--r-- | tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c index b1257c816310..4f7b32020487 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c @@ -292,36 +292,46 @@ static int intel_pt_get_ip(enum intel_pt_pkt_type type, unsigned int byte, const unsigned char *buf, size_t len, struct intel_pt_pkt *packet) { - switch (byte >> 5) { + int ip_len; + + packet->count = byte >> 5; + + switch (packet->count) { case 0: - packet->count = 0; + ip_len = 0; break; case 1: if (len < 3) return INTEL_PT_NEED_MORE_BYTES; - packet->count = 2; + ip_len = 2; packet->payload = le16_to_cpu(*(uint16_t *)(buf + 1)); break; case 2: if (len < 5) return INTEL_PT_NEED_MORE_BYTES; - packet->count = 4; + ip_len = 4; packet->payload = le32_to_cpu(*(uint32_t *)(buf + 1)); break; case 3: - case 6: + case 4: if (len < 7) return INTEL_PT_NEED_MORE_BYTES; - packet->count = 6; + ip_len = 6; memcpy_le64(&packet->payload, buf + 1, 6); break; + case 6: + if (len < 9) + return INTEL_PT_NEED_MORE_BYTES; + ip_len = 8; + packet->payload = le64_to_cpu(*(uint64_t *)(buf + 1)); + break; default: return INTEL_PT_BAD_PACKET; } packet->type = type; - return packet->count + 1; + return ip_len + 1; } static int intel_pt_get_mode(const unsigned char *buf, size_t len, |