Hi Saptarshi, On Fri, Jul 16, 2021 at 01:19:10AM +0530, Saptarshi Patra wrote: > media: usb: uvc: uvc_driver: Decleared a function called > pr_info() with a string input "I changed uvcvideo driver in the Linux > Kernel" > > Added the function pr_info() to see the message / input string using dmesg I'm curious, could you explain why you think this should be merged in the upstream kernel ? I fear the kernel log may get a bit too verbose if everybody added their own little message :-) > staging: android: Decleared file operation with const keyword Don't combine multiple independent changes in a single patch. > Warning found by the checkpatch.pl script > > Signed-off-by: Saptarshi Patra <saptarshi.patra.22@xxxxxxxxx> > --- > drivers/media/usb/uvc/uvc_driver.c | 2 +- > drivers/staging/android/ashmem.c | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c > index 9a791d8ef200..0b47ca75091b 100644 > --- a/drivers/media/usb/uvc/uvc_driver.c > +++ b/drivers/media/usb/uvc/uvc_driver.c > @@ -2352,7 +2352,7 @@ static int uvc_probe(struct usb_interface *intf, > (const struct uvc_device_info *)id->driver_info; > int function; > int ret; > - > + pr_info("I changed uvcvideo driver in the Linux Kernel\n"); > /* Allocate memory for the device and initialize it. */ > dev = kzalloc(sizeof(*dev), GFP_KERNEL); > if (dev == NULL) > diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c > index ddbde3f8430e..4c6b420fbf4d 100644 > --- a/drivers/staging/android/ashmem.c > +++ b/drivers/staging/android/ashmem.c > @@ -377,7 +377,7 @@ ashmem_vmfile_get_unmapped_area(struct file *file, unsigned long addr, > > static int ashmem_mmap(struct file *file, struct vm_area_struct *vma) > { > - static struct file_operations vmfile_fops; > + static const struct file_operations vmfile_fops; You haven't compiled this, have you ? > struct ashmem_area *asma = file->private_data; > int ret = 0; > -- Regards, Laurent Pinchart