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-rw-r--r--drivers/staging/unisys/visorbus/visorchannel.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/unisys/visorbus/visorchannel.c b/drivers/staging/unisys/visorbus/visorchannel.c
index 738830e3be94..f51a7258bef0 100644
--- a/drivers/staging/unisys/visorbus/visorchannel.c
+++ b/drivers/staging/unisys/visorbus/visorchannel.c
@@ -237,8 +237,9 @@ signalremove_inner(struct visorchannel *channel, u32 queue, void *msg)
if (error)
return error;
+ /* No signals to remove; have caller try again. */
if (sig_hdr.head == sig_hdr.tail)
- return -EIO; /* no signals to remove */
+ return -EAGAIN;
sig_hdr.tail = (sig_hdr.tail + 1) % sig_hdr.max_slots;