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path: root/drivers/rpmsg
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Diffstat (limited to 'drivers/rpmsg')
-rw-r--r--drivers/rpmsg/rpmsg_char.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c
index 5663cf799c95..434dc8a741cc 100644
--- a/drivers/rpmsg/rpmsg_char.c
+++ b/drivers/rpmsg/rpmsg_char.c
@@ -242,10 +242,13 @@ static ssize_t rpmsg_eptdev_write_iter(struct kiocb *iocb,
goto unlock_eptdev;
}
- if (filp->f_flags & O_NONBLOCK)
+ if (filp->f_flags & O_NONBLOCK) {
ret = rpmsg_trysendto(eptdev->ept, kbuf, len, eptdev->chinfo.dst);
- else
+ if (ret == -ENOMEM)
+ ret = -EAGAIN;
+ } else {
ret = rpmsg_sendto(eptdev->ept, kbuf, len, eptdev->chinfo.dst);
+ }
unlock_eptdev:
mutex_unlock(&eptdev->ept_lock);