From: Jonathan Cameron Date: Sun, 11 Jul 2010 15:39:08 +0000 (+0100) Subject: staging: iio: Use kasprintf to allocate and fill trig->name X-Git-Tag: firefly_0821_release~9833^2~1255^2~1^2~182 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3c9bbf58b2a7e9099343d36a2c0b206f8c2450df;p=firefly-linux-kernel-4.4.55.git staging: iio: Use kasprintf to allocate and fill trig->name Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/iio/accel/adis16209_trigger.c b/drivers/staging/iio/accel/adis16209_trigger.c index 4a0507c9a13b..cd901a4ca3ff 100644 --- a/drivers/staging/iio/accel/adis16209_trigger.c +++ b/drivers/staging/iio/accel/adis16209_trigger.c @@ -83,14 +83,13 @@ int adis16209_probe_trigger(struct iio_dev *indio_dev) struct adis16209_state *st = indio_dev->dev_data; st->trig = iio_allocate_trigger(); - st->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL); + st->trig->name = kasprintf(GFP_KERNEL, + "adis16209-dev%d", + indio_dev->id); if (!st->trig->name) { ret = -ENOMEM; goto error_free_trig; } - snprintf((char *)st->trig->name, - IIO_TRIGGER_NAME_LENGTH, - "adis16209-dev%d", indio_dev->id); st->trig->dev.parent = &st->us->dev; st->trig->owner = THIS_MODULE; st->trig->private_data = st; diff --git a/drivers/staging/iio/accel/adis16240_trigger.c b/drivers/staging/iio/accel/adis16240_trigger.c index df1312e17f4b..d58b4058688c 100644 --- a/drivers/staging/iio/accel/adis16240_trigger.c +++ b/drivers/staging/iio/accel/adis16240_trigger.c @@ -83,14 +83,13 @@ int adis16240_probe_trigger(struct iio_dev *indio_dev) struct adis16240_state *st = indio_dev->dev_data; st->trig = iio_allocate_trigger(); - st->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL); + st->trig->name = kasprintf(GFP_KERNEL, + "adis16240-dev%d", + indio_dev->id); if (!st->trig->name) { ret = -ENOMEM; goto error_free_trig; } - snprintf((char *)st->trig->name, - IIO_TRIGGER_NAME_LENGTH, - "adis16240-dev%d", indio_dev->id); st->trig->dev.parent = &st->us->dev; st->trig->owner = THIS_MODULE; st->trig->private_data = st; diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c index 6b0b124b11ce..a33599dddddd 100644 --- a/drivers/staging/iio/accel/lis3l02dq_ring.c +++ b/drivers/staging/iio/accel/lis3l02dq_ring.c @@ -495,14 +495,14 @@ int lis3l02dq_probe_trigger(struct iio_dev *indio_dev) if (!state->trig) return -ENOMEM; - state->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL); + state->trig->name = kasprintf(GFP_KERNEL, + "lis3l02dq-dev%d", + indio_dev->id); if (!state->trig->name) { ret = -ENOMEM; goto error_free_trig; } - snprintf((char *)state->trig->name, - IIO_TRIGGER_NAME_LENGTH, - "lis3l02dq-dev%d", indio_dev->id); + state->trig->dev.parent = &state->us->dev; state->trig->owner = THIS_MODULE; state->trig->private_data = state; diff --git a/drivers/staging/iio/gyro/adis16260_trigger.c b/drivers/staging/iio/gyro/adis16260_trigger.c index b3c565942b8d..54afd9e047f3 100644 --- a/drivers/staging/iio/gyro/adis16260_trigger.c +++ b/drivers/staging/iio/gyro/adis16260_trigger.c @@ -83,14 +83,13 @@ int adis16260_probe_trigger(struct iio_dev *indio_dev) struct adis16260_state *st = indio_dev->dev_data; st->trig = iio_allocate_trigger(); - st->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL); + st->trig->name = kasprintf(GFP_KERNEL, + "adis16260-dev%d", + indio_dev->id); if (!st->trig->name) { ret = -ENOMEM; goto error_free_trig; } - snprintf((char *)st->trig->name, - IIO_TRIGGER_NAME_LENGTH, - "adis16260-dev%d", indio_dev->id); st->trig->dev.parent = &st->us->dev; st->trig->owner = THIS_MODULE; st->trig->private_data = st; diff --git a/drivers/staging/iio/imu/adis16300_trigger.c b/drivers/staging/iio/imu/adis16300_trigger.c index 54edb20bf119..a55f383bea22 100644 --- a/drivers/staging/iio/imu/adis16300_trigger.c +++ b/drivers/staging/iio/imu/adis16300_trigger.c @@ -86,14 +86,13 @@ int adis16300_probe_trigger(struct iio_dev *indio_dev) struct adis16300_state *st = indio_dev->dev_data; st->trig = iio_allocate_trigger(); - st->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL); + st->trig->name = kasprintf(GFP_KERNEL, + "adis16300-dev%d", + indio_dev->id); if (!st->trig->name) { ret = -ENOMEM; goto error_free_trig; } - snprintf((char *)st->trig->name, - IIO_TRIGGER_NAME_LENGTH, - "adis16300-dev%d", indio_dev->id); st->trig->dev.parent = &st->us->dev; st->trig->owner = THIS_MODULE; st->trig->private_data = st; diff --git a/drivers/staging/iio/imu/adis16350_trigger.c b/drivers/staging/iio/imu/adis16350_trigger.c index 1ffa75d05fac..fbe246a4cdb5 100644 --- a/drivers/staging/iio/imu/adis16350_trigger.c +++ b/drivers/staging/iio/imu/adis16350_trigger.c @@ -86,14 +86,13 @@ int adis16350_probe_trigger(struct iio_dev *indio_dev) struct adis16350_state *st = indio_dev->dev_data; st->trig = iio_allocate_trigger(); - st->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL); + st->trig->name = kasprintf(GFP_KERNEL, + "adis16350-dev%d", + indio_dev->id); if (!st->trig->name) { ret = -ENOMEM; goto error_free_trig; } - snprintf((char *)st->trig->name, - IIO_TRIGGER_NAME_LENGTH, - "adis16350-dev%d", indio_dev->id); st->trig->dev.parent = &st->us->dev; st->trig->owner = THIS_MODULE; st->trig->private_data = st; diff --git a/drivers/staging/iio/imu/adis16400_trigger.c b/drivers/staging/iio/imu/adis16400_trigger.c index 3b3250ac7680..bf7c60383dd3 100644 --- a/drivers/staging/iio/imu/adis16400_trigger.c +++ b/drivers/staging/iio/imu/adis16400_trigger.c @@ -86,14 +86,13 @@ int adis16400_probe_trigger(struct iio_dev *indio_dev) struct adis16400_state *st = indio_dev->dev_data; st->trig = iio_allocate_trigger(); - st->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL); + st->trig->name = kasprintf(GFP_KERNEL, + "adis16400-dev%d", + indio_dev->id); if (!st->trig->name) { ret = -ENOMEM; goto error_free_trig; } - snprintf((char *)st->trig->name, - IIO_TRIGGER_NAME_LENGTH, - "adis16400-dev%d", indio_dev->id); st->trig->dev.parent = &st->us->dev; st->trig->owner = THIS_MODULE; st->trig->private_data = st; diff --git a/drivers/staging/iio/industrialio-trigger.c b/drivers/staging/iio/industrialio-trigger.c index ef088a4ce5b7..92e6006622db 100644 --- a/drivers/staging/iio/industrialio-trigger.c +++ b/drivers/staging/iio/industrialio-trigger.c @@ -295,10 +295,9 @@ static ssize_t iio_trigger_read_current(struct device *dev, struct iio_dev *dev_info = dev_get_drvdata(dev); int len = 0; if (dev_info->trig) - len = snprintf(buf, - IIO_TRIGGER_NAME_LENGTH, - "%s\n", - dev_info->trig->name); + len = sprintf(buf, + "%s\n", + dev_info->trig->name); return len; } @@ -323,8 +322,6 @@ static ssize_t iio_trigger_write_current(struct device *dev, } mutex_unlock(&dev_info->mlock); - len = len < IIO_TRIGGER_NAME_LENGTH ? len : IIO_TRIGGER_NAME_LENGTH; - dev_info->trig = iio_trigger_find_by_name(buf, len); if (oldtrig && dev_info->trig != oldtrig) iio_put_trigger(oldtrig); diff --git a/drivers/staging/iio/trigger.h b/drivers/staging/iio/trigger.h index 784e7b6fac1c..89610b54e114 100644 --- a/drivers/staging/iio/trigger.h +++ b/drivers/staging/iio/trigger.h @@ -8,10 +8,6 @@ */ #ifndef _IIO_TRIGGER_H_ #define _IIO_TRIGGER_H_ -#define IIO_TRIGGER_NAME_LENGTH 20 -#define IIO_TRIGGER_ID_PREFIX "iio:trigger" -#define IIO_TRIGGER_ID_FORMAT IIO_TRIGGER_ID_PREFIX "%d" - /** * struct iio_trigger - industrial I/O trigger device diff --git a/drivers/staging/iio/trigger/iio-trig-gpio.c b/drivers/staging/iio/trigger/iio-trig-gpio.c index 1da285d28632..3c0614eff72c 100644 --- a/drivers/staging/iio/trigger/iio-trig-gpio.c +++ b/drivers/staging/iio/trigger/iio-trig-gpio.c @@ -93,16 +93,11 @@ static int iio_gpio_trigger_probe(struct platform_device *pdev) trig->private_data = trig_info; trig_info->irq = irq; trig->owner = THIS_MODULE; - trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, - GFP_KERNEL); - if (!trig->name) { + trig->name = kasprintf(GFP_KERNEL, "irqtrig%d", irq); + if (trig->name == NULL) { ret = -ENOMEM; goto error_free_trig_info; } - snprintf((char *)trig->name, - IIO_TRIGGER_NAME_LENGTH, - "irqtrig%d", irq); - ret = request_irq(irq, iio_gpio_trigger_poll, irqflags, trig->name, trig); if (ret) { diff --git a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c index 4ee3ae1ef892..d8c58cbfce79 100644 --- a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c +++ b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c @@ -25,7 +25,6 @@ static DEFINE_MUTEX(iio_prtc_trigger_list_lock); struct iio_prtc_trigger_info { struct rtc_device *rtc; int frequency; - char *name; struct rtc_task task; }; @@ -78,8 +77,7 @@ static ssize_t iio_trig_periodic_read_name(struct device *dev, char *buf) { struct iio_trigger *trig = dev_get_drvdata(dev); - struct iio_prtc_trigger_info *trig_info = trig->private_data; - return sprintf(buf, "%s\n", trig_info->name); + return sprintf(buf, "%s\n", trig->name); } static DEVICE_ATTR(name, S_IRUGO, @@ -129,16 +127,12 @@ static int iio_trig_periodic_rtc_probe(struct platform_device *dev) trig->private_data = trig_info; trig->owner = THIS_MODULE; trig->set_trigger_state = &iio_trig_periodic_rtc_set_state; - trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL); + trig->name = kasprintf(GFP_KERNEL, "periodic%s", pdata[i]); if (trig->name == NULL) { ret = -ENOMEM; goto error_free_trig_info; } - snprintf((char *)trig->name, - IIO_TRIGGER_NAME_LENGTH, - "periodic%s", - pdata[i]); - trig_info->name = (char *)trig->name; + /* RTC access */ trig_info->rtc = rtc_class_open(pdata[i]);