iio: imu: adis16460: use DEFINE_DEBUGFS_ATTRIBUTE instead of DEFINE_SIMPLE_ATTRIBUTE
debugfs_create_file_unsafe does not protect the fops handed to it against file removal. DEFINE_DEBUGFS_ATTRIBUTE makes the fops aware of the file lifetime and thus protects it against removal. Signed-off-by: Rohit Sarkar <rohitsarkar5398@gmail.com> Tested-by Nuno Sá <nuno.sa@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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@ -87,8 +87,8 @@ static int adis16460_show_serial_number(void *arg, u64 *val)
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return 0;
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}
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DEFINE_SIMPLE_ATTRIBUTE(adis16460_serial_number_fops,
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adis16460_show_serial_number, NULL, "0x%.4llx\n");
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DEFINE_DEBUGFS_ATTRIBUTE(adis16460_serial_number_fops,
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adis16460_show_serial_number, NULL, "0x%.4llx\n");
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static int adis16460_show_product_id(void *arg, u64 *val)
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{
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@ -105,8 +105,8 @@ static int adis16460_show_product_id(void *arg, u64 *val)
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return 0;
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}
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DEFINE_SIMPLE_ATTRIBUTE(adis16460_product_id_fops,
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adis16460_show_product_id, NULL, "%llu\n");
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DEFINE_DEBUGFS_ATTRIBUTE(adis16460_product_id_fops,
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adis16460_show_product_id, NULL, "%llu\n");
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static int adis16460_show_flash_count(void *arg, u64 *val)
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{
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@ -123,19 +123,22 @@ static int adis16460_show_flash_count(void *arg, u64 *val)
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return 0;
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}
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DEFINE_SIMPLE_ATTRIBUTE(adis16460_flash_count_fops,
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adis16460_show_flash_count, NULL, "%lld\n");
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DEFINE_DEBUGFS_ATTRIBUTE(adis16460_flash_count_fops,
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adis16460_show_flash_count, NULL, "%lld\n");
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static int adis16460_debugfs_init(struct iio_dev *indio_dev)
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{
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struct adis16460 *adis16460 = iio_priv(indio_dev);
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debugfs_create_file("serial_number", 0400, indio_dev->debugfs_dentry,
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adis16460, &adis16460_serial_number_fops);
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debugfs_create_file("product_id", 0400, indio_dev->debugfs_dentry,
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adis16460, &adis16460_product_id_fops);
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debugfs_create_file("flash_count", 0400, indio_dev->debugfs_dentry,
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adis16460, &adis16460_flash_count_fops);
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debugfs_create_file_unsafe("serial_number", 0400,
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indio_dev->debugfs_dentry, adis16460,
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&adis16460_serial_number_fops);
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debugfs_create_file_unsafe("product_id", 0400,
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indio_dev->debugfs_dentry, adis16460,
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&adis16460_product_id_fops);
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debugfs_create_file_unsafe("flash_count", 0400,
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indio_dev->debugfs_dentry, adis16460,
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&adis16460_flash_count_fops);
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return 0;
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}
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