From: SF Markus Elfring <elfring@users.sourceforge.net> To: linux-input@vger.kernel.org, David Rivshin <DRivshin@allworx.com>, Dmitry Torokhov <dmitry.torokhov@gmail.com>, Rob Herring <robh@kernel.org> Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org Subject: [PATCH 1/2] Input: matrix_keypad: Delete two error messages for a failed memory allocation in matrix_keypad_parse_dt() Date: Sat, 27 Jan 2018 13:53:20 +0100 [thread overview] Message-ID: <de16c2fb-8daf-bc81-8af7-ebf23db52d4e@users.sourceforge.net> (raw) In-Reply-To: <106bffd0-28ed-7c33-1f32-ae84b40f52c7@users.sourceforge.net> From: Markus Elfring <elfring@users.sourceforge.net> Date: Sat, 27 Jan 2018 13:35:02 +0100 Omit extra messages for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- drivers/input/keyboard/matrix_keypad.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c index 1f316d66e6f7..90238201a9cc 100644 --- a/drivers/input/keyboard/matrix_keypad.c +++ b/drivers/input/keyboard/matrix_keypad.c @@ -413,10 +413,8 @@ matrix_keypad_parse_dt(struct device *dev) } pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) { - dev_err(dev, "could not allocate memory for platform data\n"); + if (!pdata) return ERR_PTR(-ENOMEM); - } pdata->num_row_gpios = nrow = of_gpio_named_count(np, "row-gpios"); pdata->num_col_gpios = ncol = of_gpio_named_count(np, "col-gpios"); @@ -445,10 +443,8 @@ matrix_keypad_parse_dt(struct device *dev) sizeof(unsigned int) * (pdata->num_row_gpios + pdata->num_col_gpios), GFP_KERNEL); - if (!gpios) { - dev_err(dev, "could not allocate memory for gpios\n"); + if (!gpios) return ERR_PTR(-ENOMEM); - } for (i = 0; i < pdata->num_row_gpios; i++) gpios[i] = of_get_named_gpio(np, "row-gpios", i); -- 2.16.1
WARNING: multiple messages have this Message-ID (diff)
From: SF Markus Elfring <elfring@users.sourceforge.net> To: linux-input@vger.kernel.org, David Rivshin <DRivshin@allworx.com>, Dmitry Torokhov <dmitry.torokhov@gmail.com>, Rob Herring <robh@kernel.org> Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org Subject: [PATCH 1/2] Input: matrix_keypad: Delete two error messages for a failed memory allocation in matrix Date: Sat, 27 Jan 2018 12:53:20 +0000 [thread overview] Message-ID: <de16c2fb-8daf-bc81-8af7-ebf23db52d4e@users.sourceforge.net> (raw) In-Reply-To: <106bffd0-28ed-7c33-1f32-ae84b40f52c7@users.sourceforge.net> From: Markus Elfring <elfring@users.sourceforge.net> Date: Sat, 27 Jan 2018 13:35:02 +0100 Omit extra messages for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- drivers/input/keyboard/matrix_keypad.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c index 1f316d66e6f7..90238201a9cc 100644 --- a/drivers/input/keyboard/matrix_keypad.c +++ b/drivers/input/keyboard/matrix_keypad.c @@ -413,10 +413,8 @@ matrix_keypad_parse_dt(struct device *dev) } pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) { - dev_err(dev, "could not allocate memory for platform data\n"); + if (!pdata) return ERR_PTR(-ENOMEM); - } pdata->num_row_gpios = nrow = of_gpio_named_count(np, "row-gpios"); pdata->num_col_gpios = ncol = of_gpio_named_count(np, "col-gpios"); @@ -445,10 +443,8 @@ matrix_keypad_parse_dt(struct device *dev) sizeof(unsigned int) * (pdata->num_row_gpios + pdata->num_col_gpios), GFP_KERNEL); - if (!gpios) { - dev_err(dev, "could not allocate memory for gpios\n"); + if (!gpios) return ERR_PTR(-ENOMEM); - } for (i = 0; i < pdata->num_row_gpios; i++) gpios[i] = of_get_named_gpio(np, "row-gpios", i); -- 2.16.1
next prev parent reply other threads:[~2018-01-27 12:53 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-01-27 12:52 [PATCH 0/2] Input: matrix_keypad: Adjustments for two function implementations SF Markus Elfring 2018-01-27 12:52 ` SF Markus Elfring 2018-01-27 12:53 ` SF Markus Elfring [this message] 2018-01-27 12:53 ` [PATCH 1/2] Input: matrix_keypad: Delete two error messages for a failed memory allocation in matrix SF Markus Elfring 2018-01-27 12:54 ` [PATCH 2/2] Input: matrix_keypad: Improve a size determination in matrix_keypad_probe() SF Markus Elfring 2018-01-27 12:54 ` SF Markus Elfring
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