package/kernel/mwlwifi/patches/001-remove-vfs_write.patch

   1 --- a/debugfs.c
   2 +++ b/debugfs.c
   3 @@ -87,7 +87,6 @@ static void core_dump_file(u8 *valbuf, u
   4                            u32 append, u32 totallen, bool textmode)
   5  {
   6         struct file *filp_core = NULL;
   7 -       mm_segment_t oldfs;
   8         char file_name[40];
   9         u8 *buf = kmalloc(length * 3, GFP_KERNEL);
  10         u8 *data_p = buf;
  11 @@ -100,9 +99,6 @@ static void core_dump_file(u8 *valbuf, u
  12         sprintf(file_name, "/dev/shm/coredump-%x-%x",
  13                 region, (region + totallen));
  14
  15 -       oldfs = get_fs();
  16 -       set_fs(KERNEL_DS);
  17 -
  18         if (append)
  19                 filp_core = filp_open(file_name, O_RDWR | O_APPEND, 0);
  20         else
  21 @@ -125,15 +121,15 @@ static void core_dump_file(u8 *valbuf, u
  22                         }
  23                         data_p = buf + j;
  24                         data_p += sprintf(data_p, "\n");
  25 -                       vfs_write(filp_core, buf, strlen(buf),
  26 -                                 &filp_core->f_pos);
  27 +                       kernel_write(filp_core, buf, strlen(buf),
  28 +                                    &filp_core->f_pos);
  29                 } else
  30 -                       vfs_write(filp_core, valbuf, length, &filp_core->f_pos);
  31 +                       kernel_write(filp_core, valbuf, length,
  32 +                                    &filp_core->f_pos);
  33
  34                 filp_close(filp_core, current->files);
  35         }
  36
  37 -       set_fs(oldfs);
  38         kfree(buf);
  39  }
  40