diff options
| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2018-07-11 22:40:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-15 14:52:58 +0300 |
| commit | 00ea1970298677e31ed8f962bda663cfc4848481 (patch) | |
| tree | 599eeced66515b90b31e8bd66dd8bc3794c42586 /drivers/hwtracing | |
| parent | a748ddd1132c79888390934216ef428e0b2f0ea8 (diff) | |
| download | linux-00ea1970298677e31ed8f962bda663cfc4848481.tar.xz | |
coresight: Fix check in coresight_tmc_etr_buf_insert_barrier_packet
We request for "CORESIGHT_BARRIER_PKT_SIZE" length and we should
be happy when we get that size.
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc-etr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index 3556d9a849e9..8af451230121 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -807,7 +807,7 @@ tmc_etr_buf_insert_barrier_packet(struct etr_buf *etr_buf, u64 offset) len = tmc_etr_buf_get_data(etr_buf, offset, CORESIGHT_BARRIER_PKT_SIZE, &bufp); - if (WARN_ON(len <= CORESIGHT_BARRIER_PKT_SIZE)) + if (WARN_ON(len < CORESIGHT_BARRIER_PKT_SIZE)) return -EINVAL; coresight_insert_barrier_packet(bufp); return offset + CORESIGHT_BARRIER_PKT_SIZE; |