diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2026-05-12 10:48:23 +0200 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2026-07-09 15:31:44 -0500 |
| commit | e088ffa9a00eaaaf90da74763e774ca160969c26 (patch) | |
| tree | 5108a374edf18fa3041e0d8a5bce2ca79d3a8e57 | |
| parent | 014be5698ed0645f1d5263b354c27fc3ba77b281 (diff) | |
hwspinlock: propagate errno when registering single lock
hwspin_lock_register_single() always returns 0 despite checking the
result from radix_tree_insert(). Propagate the errno to make sanity
checks in callers of this function actually meaningful.
Fixes: 300bab9770e2 ("hwspinlock/core: register a bank of hwspinlocks in a single API call")
Link: https://sashiko.dev/#/patchset/20260319105947.6237-1-wsa%2Brenesas%40sang-engineering.com # review of patch 14
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20260512084856.30497-2-wsa+renesas@sang-engineering.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | drivers/hwspinlock/hwspinlock_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c index cc8e952a6772..a509b73da190 100644 --- a/drivers/hwspinlock/hwspinlock_core.c +++ b/drivers/hwspinlock/hwspinlock_core.c @@ -472,7 +472,7 @@ static int hwspin_lock_register_single(struct hwspinlock *hwlock, int id) out: mutex_unlock(&hwspinlock_tree_lock); - return 0; + return ret; } static struct hwspinlock *hwspin_lock_unregister_single(unsigned int id) |