linux-kernel - [PATCH] media: usb: uvc: uvc_driver: Added a function pr_info() in uvc_driver and staging: android: Decleared file operation with const keyword in android keyword

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Date:   Fri, 16 Jul 2021 01:19:10 +0530
From:   Saptarshi Patra <saptarshi.patra.22@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     saptarshi.patra.22@...il.com,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Todd Kjos <tkjos@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Christian Brauner <christian@...uner.io>,
        Hridya Valsaraju <hridya@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-staging@...ts.linux.dev
Subject: [PATCH] media: usb: uvc: uvc_driver: Added a function pr_info() in uvc_driver and staging: android: Decleared file operation with const keyword in android keyword

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

staging: android: Decleared file operation with const keyword

Warning found by the checkpatch.pl script

Signed-off-by: Saptarshi Patra <saptarshi.patra.22@...il.com>
---
 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;
 	struct ashmem_area *asma = file->private_data;
 	int ret = 0;
 
-- 
2.30.2