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| author | Rohit Sarkar <rohitsarkar5398@gmail.com> | 2020-03-31 14:47:31 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-04-19 18:56:25 +0300 |
| commit | 2ca73823d05d654cb6d21bd0b045dfa382fb9c83 (patch) | |
| tree | 713064c3bc56e99ccbb49f616b0830c1cd890c2e | |
| parent | ae1d37a9bb4bd8d9091a40d153143e99b115ee37 (diff) | |
| download | linux-2ca73823d05d654cb6d21bd0b045dfa382fb9c83.tar.xz | |
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>
| -rw-r--r-- | drivers/iio/imu/adis16460.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/iio/imu/adis16460.c b/drivers/iio/imu/adis16460.c index 0027683d0256..0957f5cfe9c0 100644 --- a/drivers/iio/imu/adis16460.c +++ b/drivers/iio/imu/adis16460.c @@ -87,8 +87,8 @@ static int adis16460_show_serial_number(void *arg, u64 *val) return 0; } -DEFINE_SIMPLE_ATTRIBUTE(adis16460_serial_number_fops, - adis16460_show_serial_number, NULL, "0x%.4llx\n"); +DEFINE_DEBUGFS_ATTRIBUTE(adis16460_serial_number_fops, + adis16460_show_serial_number, NULL, "0x%.4llx\n"); static int adis16460_show_product_id(void *arg, u64 *val) { @@ -105,8 +105,8 @@ static int adis16460_show_product_id(void *arg, u64 *val) return 0; } -DEFINE_SIMPLE_ATTRIBUTE(adis16460_product_id_fops, - adis16460_show_product_id, NULL, "%llu\n"); +DEFINE_DEBUGFS_ATTRIBUTE(adis16460_product_id_fops, + adis16460_show_product_id, NULL, "%llu\n"); static int adis16460_show_flash_count(void *arg, u64 *val) { @@ -123,19 +123,22 @@ static int adis16460_show_flash_count(void *arg, u64 *val) return 0; } -DEFINE_SIMPLE_ATTRIBUTE(adis16460_flash_count_fops, - adis16460_show_flash_count, NULL, "%lld\n"); +DEFINE_DEBUGFS_ATTRIBUTE(adis16460_flash_count_fops, + adis16460_show_flash_count, NULL, "%lld\n"); static int adis16460_debugfs_init(struct iio_dev *indio_dev) { struct adis16460 *adis16460 = iio_priv(indio_dev); - debugfs_create_file("serial_number", 0400, indio_dev->debugfs_dentry, - adis16460, &adis16460_serial_number_fops); - debugfs_create_file("product_id", 0400, indio_dev->debugfs_dentry, - adis16460, &adis16460_product_id_fops); - debugfs_create_file("flash_count", 0400, indio_dev->debugfs_dentry, - adis16460, &adis16460_flash_count_fops); + debugfs_create_file_unsafe("serial_number", 0400, + indio_dev->debugfs_dentry, adis16460, + &adis16460_serial_number_fops); + debugfs_create_file_unsafe("product_id", 0400, + indio_dev->debugfs_dentry, adis16460, + &adis16460_product_id_fops); + debugfs_create_file_unsafe("flash_count", 0400, + indio_dev->debugfs_dentry, adis16460, + &adis16460_flash_count_fops); return 0; } |