evie/android_kernel_oneplus_msm8998
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msm: ipa: fix mutex_lock with task->state != RUNNING

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mutex_lock should be only called when task->state
== RUNNING, fix this warning msg from kernel

Change-Id: Idf045ba868e3fa47837575b268917838ff71f1a6
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>
This commit is contained in:
Skylar Chang 2016-10-13 12:03:59 -07:00
parent 1fac7f53bd
commit 21fab3e703
2 changed files with 3 additions and 4 deletions
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3
drivers/platform/msm/ipa/ipa_v2/ipa_intf.c
View file

@ -523,10 +523,9 @@ ssize_t ipa_read(struct file *filp, char __user *buf, size_t count,
start = buf;
while (1) {
prepare_to_wait(&ipa_ctx->msg_waitq, &wait, TASK_INTERRUPTIBLE);
mutex_lock(&ipa_ctx->msg_lock);
locked = 1;
prepare_to_wait(&ipa_ctx->msg_waitq, &wait, TASK_INTERRUPTIBLE);
if (!list_empty(&ipa_ctx->msg_list)) {
msg = list_first_entry(&ipa_ctx->msg_list,
struct ipa_push_msg, link);

4
drivers/platform/msm/ipa/ipa_v3/ipa_intf.c
View file

@ -528,12 +528,12 @@ ssize_t ipa3_read(struct file *filp, char __user *buf, size_t count,
start = buf;
while (1) {
mutex_lock(&ipa3_ctx->msg_lock);
locked = 1;
prepare_to_wait(&ipa3_ctx->msg_waitq,
&wait,
TASK_INTERRUPTIBLE);
mutex_lock(&ipa3_ctx->msg_lock);
locked = 1;
if (!list_empty(&ipa3_ctx->msg_list)) {
msg = list_first_entry(&ipa3_ctx->msg_list,
struct ipa3_push_msg, link);