2018-01-21 21:34:33

by SF Markus Elfring

Subject: [PATCH] Input: atmel_mxt_ts: Delete error messages for a failed memory allocation in two functions

From: Markus Elfring <[email protected]>
Date: Sun, 21 Jan 2018 22:25:31 +0100

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 <[email protected]>
---
drivers/input/touchscreen/atmel_mxt_ts.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 7659bc48f1db..f38711e9c256 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1507,10 +1507,8 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg)
MXT_INFO_CHECKSUM_SIZE;
config_mem_size = data->mem_size - cfg_start_ofs;
config_mem = kzalloc(config_mem_size, GFP_KERNEL);
- if (!config_mem) {
- dev_err(dev, "Failed to allocate memory\n");
+ if (!config_mem)
return -ENOMEM;
- }

ret = mxt_prepare_cfg_mem(data, cfg, data_pos, cfg_start_ofs,
config_mem, config_mem_size);
@@ -1612,10 +1610,8 @@ static int mxt_get_object_table(struct mxt_data *data)

table_size = data->info.object_num * sizeof(struct mxt_object);
object_table = kzalloc(table_size, GFP_KERNEL);
- if (!object_table) {
- dev_err(&data->client->dev, "Failed to allocate memory\n");
+ if (!object_table)
return -ENOMEM;
- }

error = __mxt_read_reg(client, MXT_OBJECT_START, table_size,
object_table);
@@ -1714,7 +1710,6 @@ static int mxt_get_object_table(struct mxt_data *data)
data->msg_buf = kcalloc(data->max_reportid,
data->T5_msg_size, GFP_KERNEL);
if (!data->msg_buf) {
- dev_err(&client->dev, "Failed to allocate message buffer\n");
error = -ENOMEM;
goto free_object_table;
}
--
2.16.0

2018-01-24 20:44:06

by Nick Dyer

Subject: Re: [PATCH] Input: atmel_mxt_ts: Delete error messages for a failed memory allocation in two functions

On Sun, Jan 21, 2018 at 10:33:50PM +0100, SF Markus Elfring wrote:
> 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 <[email protected]>

Thanks!

Signed-off-by: Nick Dyer <[email protected]>

> ---
> drivers/input/touchscreen/atmel_mxt_ts.c | 9 ++-------
> 1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
> index 7659bc48f1db..f38711e9c256 100644
> --- a/drivers/input/touchscreen/atmel_mxt_ts.c
> +++ b/drivers/input/touchscreen/atmel_mxt_ts.c
> @@ -1507,10 +1507,8 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg)
> MXT_INFO_CHECKSUM_SIZE;
> config_mem_size = data->mem_size - cfg_start_ofs;
> config_mem = kzalloc(config_mem_size, GFP_KERNEL);
> - if (!config_mem) {
> - dev_err(dev, "Failed to allocate memory\n");
> + if (!config_mem)
> return -ENOMEM;
> - }
>
> ret = mxt_prepare_cfg_mem(data, cfg, data_pos, cfg_start_ofs,
> config_mem, config_mem_size);
> @@ -1612,10 +1610,8 @@ static int mxt_get_object_table(struct mxt_data *data)
>
> table_size = data->info.object_num * sizeof(struct mxt_object);
> object_table = kzalloc(table_size, GFP_KERNEL);
> - if (!object_table) {
> - dev_err(&data->client->dev, "Failed to allocate memory\n");
> + if (!object_table)
> return -ENOMEM;
> - }
>
> error = __mxt_read_reg(client, MXT_OBJECT_START, table_size,
> object_table);
> @@ -1714,7 +1710,6 @@ static int mxt_get_object_table(struct mxt_data *data)
> data->msg_buf = kcalloc(data->max_reportid,
> data->T5_msg_size, GFP_KERNEL);
> if (!data->msg_buf) {
> - dev_err(&client->dev, "Failed to allocate message buffer\n");
> error = -ENOMEM;
> goto free_object_table;
> }
> --
> 2.16.0
>