[v2] fs: Remove duplicated flag O_NDELAY occurring twice in VALID_OPEN_FLAGS
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Message ID 20200523114446.1102448-1-kw@linux.com
State New
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Series
  • [v2] fs: Remove duplicated flag O_NDELAY occurring twice in VALID_OPEN_FLAGS
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Commit Message

Krzysztof Wilczyński May 23, 2020, 11:44 a.m. UTC
The O_NDELAY flag occurs twice in the VALID_OPEN_FLAGS definition, this
change removes the duplicate.  There is no change to the functionality.

Note, that the flags O_NONBLOCK and O_NDELAY are not duplicates, as
values of these flags are platform dependent, and on platforms like
Sparc O_NONBLOCK and O_NDELAY are not the same.

This has been done that way to maintain the ABI compatibility with
Solaris since the Sparc port was first introduced.

This change resolves the following Coccinelle warning:

  include/linux/fcntl.h:11:13-21: duplicated argument to & or |

Also, remove extra white space after the FASYNC flag, and keep the line
under 80 characters to resolve the following checkpatch.pl warning:

  WARNING: line over 80 characters
  #10: FILE: include/linux/fcntl.h:10:
  +	(O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | \

Signed-off-by: Krzysztof Wilczyński <kw@linux.com>
---
Changes in v2:
  Update commit message and subject line wording as per review feedback.

 include/linux/fcntl.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Patch
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diff --git a/include/linux/fcntl.h b/include/linux/fcntl.h
index 7bcdcf4f6ab2..be3e445eba18 100644
--- a/include/linux/fcntl.h
+++ b/include/linux/fcntl.h
@@ -7,9 +7,9 @@ 
 
 /* List of all valid flags for the open/openat flags argument: */
 #define VALID_OPEN_FLAGS \
-	(O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | \
-	 O_APPEND | O_NDELAY | O_NONBLOCK | O_NDELAY | __O_SYNC | O_DSYNC | \
-	 FASYNC	| O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \
+	(O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | \
+	 O_TRUNC | O_APPEND | O_NDELAY | O_NONBLOCK | __O_SYNC | O_DSYNC | \
+	 FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \
 	 O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE)
 
 /* List of all valid flags for the how->upgrade_mask argument: */