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spmi: Return meaningful errors in spmi_controller_alloc()

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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>
This commit is contained in:
Fei Shao 2023-12-06 15:17:30 -08:00 committed by Greg Kroah-Hartman
parent 490d88ef54
commit 3ae3cf418a
2 changed files with 5 additions and 5 deletions
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4
drivers/spmi/spmi-devres.c
View file

@ -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;

6
drivers/spmi/spmi.c
View file

@ -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;