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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-13 08:52:45 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-13 08:52:45 -0800
commit961288108e26e5024801c75d0e7c8e9a2de2b02b (patch)
treeb8d592220397b05744e196a345d9e8ff30cbc1ad /drivers/rpmsg/qcom_smd.c
parentedc57ea92cb838e1d04529cb9002097ad6da8a4b (diff)
parent5c8a934349ee61027a48e3e6c0bba2b7d3dd09d1 (diff)
Merge tag 'rpmsg-v4.10' of git://github.com/andersson/remoteproc
Pull rpmsg updates from Bjorn Andersson: "Argument validation in public functions, function stubs for COMPILE_TEST-ing clients, preparation for exposing rpmsg endponts to user space and minor Qualcomm SMD fixes" * tag 'rpmsg-v4.10' of git://github.com/andersson/remoteproc: dt-binding: soc: qcom: smd: Add label property rpmsg: qcom_smd: Correct return value for O_NONBLOCK rpmsg: Provide function stubs for API rpmsg: Handle invalid parameters in public API rpmsg: Support drivers without primary endpoint rpmsg: Introduce a driver override mechanism rpmsg: smd: Reduce restrictions when finding channel
Diffstat (limited to 'drivers/rpmsg/qcom_smd.c')
-rw-r--r--drivers/rpmsg/qcom_smd.c17
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
index 394a1b52e471..0fae48116a0d 100644
--- a/drivers/rpmsg/qcom_smd.c
+++ b/drivers/rpmsg/qcom_smd.c
@@ -740,7 +740,7 @@ static int __qcom_smd_send(struct qcom_smd_channel *channel, const void *data,
while (qcom_smd_get_tx_avail(channel) < tlen) {
if (!wait) {
- ret = -ENOMEM;
+ ret = -EAGAIN;
goto out;
}
@@ -821,20 +821,13 @@ qcom_smd_find_channel(struct qcom_smd_edge *edge, const char *name)
struct qcom_smd_channel *channel;
struct qcom_smd_channel *ret = NULL;
unsigned long flags;
- unsigned state;
spin_lock_irqsave(&edge->channels_lock, flags);
list_for_each_entry(channel, &edge->channels, list) {
- if (strcmp(channel->name, name))
- continue;
-
- state = GET_RX_CHANNEL_INFO(channel, state);
- if (state != SMD_CHANNEL_OPENING &&
- state != SMD_CHANNEL_OPENED)
- continue;
-
- ret = channel;
- break;
+ if (!strcmp(channel->name, name)) {
+ ret = channel;
+ break;
+ }
}
spin_unlock_irqrestore(&edge->channels_lock, flags);

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