diff options
| author | Mark Brown <broonie@kernel.org> | 2018-10-01 12:13:41 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-10-01 12:13:41 +0100 |
| commit | c6ee9e74b237b01d0a4988de41acbf569fdb8974 (patch) | |
| tree | 6bfbda84d65410c342e756f710833a261086c5f6 /drivers/hwtracing/coresight/coresight.c | |
| parent | f4150b38acaa292e9efa1e0d82a3d8bdfdbec658 (diff) | |
| parent | 9c6cd3f3a4b8194e82fa927bc00028c7a505e3b3 (diff) | |
Merge tag 'v4.4.159' into linux-linaro-lsk-v4.4lsk-v4.4-18.09
This is the 4.4.159 stable release
# gpg: Signature made Sat 29 Sep 2018 11:08:56 BST
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Good signature from "Greg Kroah-Hartman <gregkh@linuxfoundation.org>" [unknown]
# gpg: aka "Greg Kroah-Hartman (Linux kernel stable release signing key) <greg@kroah.com>" [unknown]
# gpg: aka "Greg Kroah-Hartman <gregkh@kernel.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 647F 2865 4894 E3BD 4571 99BE 38DB BDC8 6092 693E
Diffstat (limited to 'drivers/hwtracing/coresight/coresight.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c index 508532b3fcac..9c5edc887805 100644 --- a/drivers/hwtracing/coresight/coresight.c +++ b/drivers/hwtracing/coresight/coresight.c @@ -107,7 +107,7 @@ static int coresight_find_link_inport(struct coresight_device *csdev, dev_err(&csdev->dev, "couldn't find inport, parent: %s, child: %s\n", dev_name(&parent->dev), dev_name(&csdev->dev)); - return 0; + return -ENODEV; } static int coresight_find_link_outport(struct coresight_device *csdev, @@ -125,7 +125,7 @@ static int coresight_find_link_outport(struct coresight_device *csdev, dev_err(&csdev->dev, "couldn't find outport, parent: %s, child: %s\n", dev_name(&csdev->dev), dev_name(&child->dev)); - return 0; + return -ENODEV; } static int coresight_enable_sink(struct coresight_device *csdev, u32 mode) @@ -178,6 +178,9 @@ static int coresight_enable_link(struct coresight_device *csdev, else refport = 0; + if (refport < 0) + return refport; + if (atomic_inc_return(&csdev->refcnt[refport]) == 1) { if (link_ops(csdev)->enable) { ret = link_ops(csdev)->enable(csdev, inport, outport); |