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| author | Fei Shao <fshao@chromium.org> | 2023-12-06 15:17:30 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-12-15 17:27:04 +0100 |
| commit | 3ae3cf418a01203c33113e19cc1029ac434c96b5 (patch) | |
| tree | 8143877932a4272227c564e9932831f2f289fac9 /drivers/spmi | |
| parent | 490d88ef548d463c85bd75ef5300b25c92d71e5a (diff) | |
| download | linux-3ae3cf418a01203c33113e19cc1029ac434c96b5.tar.gz linux-3ae3cf418a01203c33113e19cc1029ac434c96b5.tar.bz2 linux-3ae3cf418a01203c33113e19cc1029ac434c96b5.zip | |
spmi: Return meaningful errors in spmi_controller_alloc()
spmi_controller_alloc() currently returns NULL to all types of errors,
which can be improved.
Use appropriate error code in returns and pass the errors from used
functions where possible.
Signed-off-by: Fei Shao <fshao@chromium.org>
Link: https://lore.kernel.org/r/20230824104101.4083400-6-fshao@chromium.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20231206231733.4031901-8-sboyd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/spmi')
| -rw-r--r-- | drivers/spmi/spmi-devres.c | 4 | ||||
| -rw-r--r-- | drivers/spmi/spmi.c | 6 |
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/spmi/spmi-devres.c b/drivers/spmi/spmi-devres.c index 7683e6fdb18f..62c4b3f24d06 100644 --- a/drivers/spmi/spmi-devres.c +++ b/drivers/spmi/spmi-devres.c @@ -20,9 +20,9 @@ struct spmi_controller *devm_spmi_controller_alloc(struct device *parent, size_t return ERR_PTR(-ENOMEM); ctrl = spmi_controller_alloc(parent, size); - if (!ctrl) { + if (IS_ERR(ctrl)) { devres_free(ptr); - return ERR_PTR(-ENOMEM); + return ctrl; } *ptr = ctrl; diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c index 93cd4a34debc..3a60fd2e09e1 100644 --- a/drivers/spmi/spmi.c +++ b/drivers/spmi/spmi.c @@ -448,11 +448,11 @@ struct spmi_controller *spmi_controller_alloc(struct device *parent, int id; if (WARN_ON(!parent)) - return NULL; + return ERR_PTR(-EINVAL); ctrl = kzalloc(sizeof(*ctrl) + size, GFP_KERNEL); if (!ctrl) - return NULL; + return ERR_PTR(-ENOMEM); device_initialize(&ctrl->dev); ctrl->dev.type = &spmi_ctrl_type; @@ -466,7 +466,7 @@ struct spmi_controller *spmi_controller_alloc(struct device *parent, dev_err(parent, "unable to allocate SPMI controller identifier.\n"); spmi_controller_put(ctrl); - return NULL; + return ERR_PTR(id); } ctrl->nr = id; |