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[PATCH] xfs: fix xfs_mode_to_ftype() prototype

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  [PATCH] xfs: fix xfs_mode_to_ftype() prototype Arnd Bergmann <arnd@arndb.de> - 2017-01-18 16:20 +0100
    Re: [PATCH] xfs: fix xfs_mode_to_ftype() prototype Christoph Hellwig <hch@infradead.org> - 2017-01-18 18:00 +0100
    Re: [PATCH] xfs: fix xfs_mode_to_ftype() prototype "Darrick J. Wong" <darrick.wong@oracle.com> - 2017-01-18 22:00 +0100

#1561892 — [PATCH] xfs: fix xfs_mode_to_ftype() prototype

A harmless warning just got introduced:

fs/xfs/libxfs/xfs_dir2.h:40:8: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers]

Removing the 'const' modifier avoids the warning and has no
other effect.

Fixes: 1fc4d33fed12 ("xfs: replace xfs_mode_to_ftype table with switch statement")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 fs/xfs/libxfs/xfs_dir2.c | 2 +-
 fs/xfs/libxfs/xfs_dir2.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
index eb64f3884d3d..2f389d366e93 100644
--- a/fs/xfs/libxfs/xfs_dir2.c
+++ b/fs/xfs/libxfs/xfs_dir2.c
@@ -38,7 +38,7 @@ struct xfs_name xfs_name_dotdot = { (unsigned char *)"..", 2, XFS_DIR3_FT_DIR };
 /*
  * Convert inode mode to directory entry filetype
  */
-const unsigned char xfs_mode_to_ftype(int mode)
+unsigned char xfs_mode_to_ftype(int mode)
 {
 	switch (mode & S_IFMT) {
 	case S_IFREG:
diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h
index d4b77ab37a98..d6e6d9d16f6c 100644
--- a/fs/xfs/libxfs/xfs_dir2.h
+++ b/fs/xfs/libxfs/xfs_dir2.h
@@ -37,7 +37,7 @@ extern struct xfs_name	xfs_name_dotdot;
 /*
  * Convert inode mode to directory entry filetype
  */
-extern const unsigned char xfs_mode_to_ftype(int mode);
+extern unsigned char xfs_mode_to_ftype(int mode);
 
 /*
  * directory operations vector for encode/decode routines
-- 
2.9.0

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#1561961

Looks fine,

Reviewed-by: Christoph Hellwig <hch@lst.de>

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#1562170

On Wed, Jan 18, 2017 at 04:12:58PM +0100, Arnd Bergmann wrote:
> A harmless warning just got introduced:
> 
> fs/xfs/libxfs/xfs_dir2.h:40:8: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers]
> 
> Removing the 'const' modifier avoids the warning and has no
> other effect.
> 
> Fixes: 1fc4d33fed12 ("xfs: replace xfs_mode_to_ftype table with switch statement")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Applied, thanks.

--D

> ---
>  fs/xfs/libxfs/xfs_dir2.c | 2 +-
>  fs/xfs/libxfs/xfs_dir2.h | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
> index eb64f3884d3d..2f389d366e93 100644
> --- a/fs/xfs/libxfs/xfs_dir2.c
> +++ b/fs/xfs/libxfs/xfs_dir2.c
> @@ -38,7 +38,7 @@ struct xfs_name xfs_name_dotdot = { (unsigned char *)"..", 2, XFS_DIR3_FT_DIR };
>  /*
>   * Convert inode mode to directory entry filetype
>   */
> -const unsigned char xfs_mode_to_ftype(int mode)
> +unsigned char xfs_mode_to_ftype(int mode)
>  {
>  	switch (mode & S_IFMT) {
>  	case S_IFREG:
> diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h
> index d4b77ab37a98..d6e6d9d16f6c 100644
> --- a/fs/xfs/libxfs/xfs_dir2.h
> +++ b/fs/xfs/libxfs/xfs_dir2.h
> @@ -37,7 +37,7 @@ extern struct xfs_name	xfs_name_dotdot;
>  /*
>   * Convert inode mode to directory entry filetype
>   */
> -extern const unsigned char xfs_mode_to_ftype(int mode);
> +extern unsigned char xfs_mode_to_ftype(int mode);
>  
>  /*
>   * directory operations vector for encode/decode routines
> -- 
> 2.9.0
> 
> --
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