On 3/13/2022 3:13 AM, Pavel Skripkin wrote:
Hi Shaikh,
On 3/12/22 23:41, shaikh kamal wrote:
Signed-off-by: shaikh kamal <shaikhkamal2012@xxxxxxxxx>
---
drivers/staging/android/ashmem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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;
Are you sure this patch compiles? vmfile_fops is overrided few lines below
odd checkpatch.pl warning...
With regards,
Pavel Skripkin
Thank you,yes vmfile_fops is overrided in below code.
Building the kernel - make -j4,
drivers/staging/android/ashmem.c: In function ‘ashmem_mmap’:
drivers/staging/android/ashmem.c:431:16: error: assignment of read-only
variable ‘vmfile_fops’
vmfile_fops = *vmfile->f_op;
^
drivers/staging/android/ashmem.c:432:21: error: assignment of member
‘mmap’ in read-only object
vmfile_fops.mmap = ashmem_vmfile_mmap;
^
drivers/staging/android/ashmem.c:433:34: error: assignment of member
‘get_unmapped_area’ in read-only object
vmfile_fops.get_unmapped_area =
^
scripts/Makefile.build:288: recipe for target
'drivers/staging/android/ashmem.o' failed
make[3]: *** [drivers/staging/android/ashmem.o] Error 1
scripts/Makefile.build:550: recipe for target 'drivers/staging/android'
failed
make[2]: *** [drivers/staging/android] Error 2
scripts/Makefile.build:550: recipe for target 'drivers/staging' failed
make[1]: *** [drivers/staging] Error 2
Makefile:1831: recipe for target 'drivers' failed
Thanks & Regards,
Shaikh Kamaluddin
