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fs/seq_file: convert int seq_vprint/seq_printf/etc... returns to void

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The seq_<foo> function return values were frequently misused.

See: commit 1f33c41c03 ("seq_file: Rename seq_overflow() to
     seq_has_overflowed() and make public")

All uses of these return values have been removed, so convert the
return types to void.

Miscellanea:

o Move seq_put_decimal_<type> and seq_escape prototypes closer the
  other seq_vprintf prototypes
o Reorder seq_putc and seq_puts to return early on overflow
o Add argument names to seq_vprintf and seq_printf
o Update the seq_escape kernel-doc
o Convert a couple of leading spaces to tabs in seq_escape

Signed-off-by: Joe Perches <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Mark Brown <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Cc: Joerg Roedel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Joe Perches 2015-09-11 13:07:48 -07:00 • committed by Linus Torvalds
commit 6798a8caaf
4 changed files with 45 additions and 50 deletions
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3
fs/nsfs.c
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@ -142,7 +142,8 @@ static int nsfs_show_path(struct seq_file *seq, struct dentry *dentry)
struct inode *inode = d_inode(dentry);
const struct proc_ns_operations *ns_ops = dentry->d_fsdata;
return seq_printf(seq, "%s:[%lu]", ns_ops->name, inode->i_ino);
seq_printf(seq, "%s:[%lu]", ns_ops->name, inode->i_ino);
return 0;
}
static const struct super_operations nsfs_ops = {