mutex_trylock() returns zero on failure, not EBUSY.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/staging/rdma/hfi1/chip.c b/drivers/staging/rdma/hfi1/chip.c
index 654eafe..aa58e59 100644
--- a/drivers/staging/rdma/hfi1/chip.c
+++ b/drivers/staging/rdma/hfi1/chip.c
@@ -2710,7 +2710,7 @@ int acquire_lcb_access(struct hfi1_devdata *dd, int sleep_ok)
if (sleep_ok) {
mutex_lock(&ppd->hls_lock);
} else {
- while (mutex_trylock(&ppd->hls_lock) == EBUSY)
+ while (!mutex_trylock(&ppd->hls_lock))
udelay(1);
}
@@ -2758,7 +2758,7 @@ int release_lcb_access(struct hfi1_devdata *dd, int sleep_ok)
if (sleep_ok) {
mutex_lock(&dd->pport->hls_lock);
} else {
- while (mutex_trylock(&dd->pport->hls_lock) == EBUSY)
+ while (!mutex_trylock(&dd->pport->hls_lock))
udelay(1);
}
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