This Patch resolves unnecessary cast warning and const file_operations WARNING: unnecessary cast may hide bugs WARNING: struct file_operations should normally be const Signed-off-by: Vandana BN <bnvandana@xxxxxxxxx> --- drivers/staging/kpc2000/kpc_dma/fileops.c | 4 ++-- drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/staging/kpc2000/kpc_dma/fileops.c b/drivers/staging/kpc2000/kpc_dma/fileops.c index c21672ea2b4f..54a1419728ce 100644 --- a/drivers/staging/kpc2000/kpc_dma/fileops.c +++ b/drivers/staging/kpc2000/kpc_dma/fileops.c @@ -59,7 +59,7 @@ int kpc_dma_transfer(struct dev_private_data *priv, struct kiocb *kcb, unsigned dev_dbg(&priv->ldev->pldev->dev, "%s(priv = [%p], kcb = [%p], iov_base = [%p], iov_len = %ld) ldev = [%p]\n", __func__, priv, kcb, (void *)iov_base, iov_len, ldev); - acd = (struct aio_cb_data *) kzalloc(sizeof(struct aio_cb_data), GFP_KERNEL); + acd = kzalloc(sizeof(struct aio_cb_data), GFP_KERNEL); if (!acd) { dev_err(&priv->ldev->pldev->dev, "Couldn't kmalloc space for for the aio data\n"); return -ENOMEM; @@ -418,7 +418,7 @@ long kpc_dma_ioctl(struct file *filp, unsigned int ioctl_num, unsigned long ioc return -ENOTTY; } -struct file_operations kpc_dma_fops = { +const struct file_operations kpc_dma_fops = { .owner = THIS_MODULE, .open = kpc_dma_open, .release = kpc_dma_close, diff --git a/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.h b/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.h index cf781940ac1b..ee47f43e71cf 100644 --- a/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.h +++ b/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.h @@ -57,7 +57,7 @@ struct dev_private_data { struct kpc_dma_device *kpc_dma_lookup_device(int minor); -extern struct file_operations kpc_dma_fops; +extern const struct file_operations kpc_dma_fops; #define ENG_CAP_PRESENT 0x00000001 #define ENG_CAP_DIRECTION 0x00000002 -- 2.17.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel