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Subject[PATCH 1/2] ACPI: Delete an error message for a failed memory allocation in five functions
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Date
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 29 Sep 2017 21:52:44 +0200

Omit extra messages for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/acpi/acpi_platform.c | 1 -
drivers/acpi/acpi_video.c | 1 -
drivers/acpi/ioapic.c | 1 -
drivers/acpi/scan.c | 5 +----
4 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
index 88cd949003f3..9ca1fa1806ae 100644
--- a/drivers/acpi/acpi_platform.c
+++ b/drivers/acpi/acpi_platform.c
@@ -85,7 +85,6 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev,
resources = kzalloc(count * sizeof(struct resource),
GFP_KERNEL);
if (!resources) {
- dev_err(&adev->dev, "No memory for resources\n");
acpi_dev_free_resource_list(&resource_list);
return ERR_PTR(-ENOMEM);
}
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 0972ec0e2eb8..0160f237d963 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -822,7 +822,6 @@ int acpi_video_get_levels(struct acpi_device *device,

br = kzalloc(sizeof(*br), GFP_KERNEL);
if (!br) {
- printk(KERN_ERR "can't allocate memory\n");
result = -ENOMEM;
goto out;
}
diff --git a/drivers/acpi/ioapic.c b/drivers/acpi/ioapic.c
index 3595aa9c7c18..99d7c69eae9b 100644
--- a/drivers/acpi/ioapic.c
+++ b/drivers/acpi/ioapic.c
@@ -124,7 +124,6 @@ static acpi_status handle_ioapic_add(acpi_handle handle, u32 lvl,

ioapic = kzalloc(sizeof(*ioapic), GFP_KERNEL);
if (!ioapic) {
- pr_err("cannot allocate memory for new IOAPIC\n");
goto exit;
} else {
ioapic->root_handle = (acpi_handle)context;
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 602f8ff212f2..7df7bea1e177 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -652,7 +652,6 @@ int acpi_device_add(struct acpi_device *device,

new_bus_id = kzalloc(sizeof(struct acpi_device_bus_id), GFP_KERNEL);
if (!new_bus_id) {
- pr_err(PREFIX "Memory allocation error\n");
result = -ENOMEM;
goto err_detach;
}
@@ -1579,10 +1578,8 @@ static int acpi_add_single_object(struct acpi_device **child,
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };

device = kzalloc(sizeof(struct acpi_device), GFP_KERNEL);
- if (!device) {
- printk(KERN_ERR PREFIX "Memory allocation error\n");
+ if (!device)
return -ENOMEM;
- }

acpi_init_device_object(device, handle, type, sta);
acpi_bus_get_power_flags(device);
--
2.14.2
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