staging: exfat: Rename variable 'NumSubdirs' to 'num_subdirs'

Fix checkpatch warning: Avoid CamelCase
Change all occurrences of identifier "NumSubdirs" to "num_subdirs"
Signed-off-by: Pragat Pandya <pragat.pandya@gmail.com>
Link: https://lore.kernel.org/r/20200210183558.11836-17-pragat.pandya@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/exfat/exfat.h

@@ -267,7 +267,7 @@ struct dir_entry_t {
 
 	u32 attr;
 	u64 Size;
-	u32 NumSubdirs;
+	u32 num_subdirs;
 	struct date_time_t CreateTimestamp;
 	struct date_time_t ModifyTimestamp;
 	struct date_time_t AccessTimestamp;

drivers/staging/exfat/exfat_super.c

@@ -1476,7 +1476,7 @@ static int ffsReadStat(struct inode *inode, struct dir_entry_t *info)
 				ret = count; /* propagate error upward */
 				goto out;
 			}
-			info->NumSubdirs = count;
+			info->num_subdirs = count;
 
 			if (p_fs->dev_ejected)
 				ret = -EIO;
@@ -1524,7 +1524,7 @@ static int ffsReadStat(struct inode *inode, struct dir_entry_t *info)
 					  uni_name.name);
 	nls_uniname_to_cstring(sb, info->name, &uni_name);
 
-	info->NumSubdirs = 2;
+	info->num_subdirs = 2;
 
 	info->Size = exfat_get_entry_size(ep2);
 
@@ -1543,7 +1543,7 @@ static int ffsReadStat(struct inode *inode, struct dir_entry_t *info)
 			ret = count; /* propagate error upward */
 			goto out;
 		}
-		info->NumSubdirs += count;
+		info->num_subdirs += count;
 	}
 
 	if (p_fs->dev_ejected)
@@ -3146,7 +3146,7 @@ static int exfat_fill_inode(struct inode *inode, struct file_id_t *fid)
 
 		i_size_write(inode, info.Size);
 		EXFAT_I(inode)->mmu_private = i_size_read(inode);
-		set_nlink(inode, info.NumSubdirs);
+		set_nlink(inode, info.num_subdirs);
 	} else if (info.attr & ATTR_SYMLINK) { /* symbolic link */
 		inode->i_generation |= 1;
 		inode->i_mode = exfat_make_mode(sbi, info.attr, 0777);
@@ -3646,7 +3646,7 @@ static int exfat_read_root(struct inode *inode)
 	inode->i_mtime = curtime;
 	inode->i_atime = curtime;
 	inode->i_ctime = curtime;
-	set_nlink(inode, info.NumSubdirs + 2);
+	set_nlink(inode, info.num_subdirs + 2);
 
 	return 0;
 }