[PATCH] uapi: fix linux/btrfs.h userspace compilation error

From	"Dmitry V. Levin" <ldv@altlinux.org>
Newsgroups	linux.kernel
Subject	[PATCH] uapi: fix linux/btrfs.h userspace compilation error
Date	2017-02-15 21:10 +0100
Message-ID	<tbe3L-4vL-5@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Stop using NULL to fix the following linux/btrfs.h userspace compilation
error:

/usr/include/linux/btrfs.h: In function 'btrfs_err_str':
/usr/include/linux/btrfs.h:740:11: error: 'NULL' undeclared (first use in this function)
    return NULL;

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
---
 include/uapi/linux/btrfs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index db4c253..01c612f 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -737,7 +737,7 @@ static inline char *btrfs_err_str(enum btrfs_err_code err_code)
 			return "add/delete/balance/replace/resize operation "\
 				"in progress";
 		default:
-			return NULL;
+			return 0;
 	}
 }
 
-- 
ldv

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[PATCH] uapi: fix linux/btrfs.h userspace compilation error "Dmitry V. Levin" <ldv@altlinux.org> - 2017-02-15 21:10 +0100
  Re: [PATCH] uapi: fix linux/btrfs.h userspace compilation error Joe Perches <joe@perches.com> - 2017-02-15 21:40 +0100
  Re: [PATCH] uapi: fix linux/btrfs.h userspace compilation error Jeff Mahoney <jeffm@suse.com> - 2017-02-15 22:30 +0100
    [PATCH v2] btrfs: remove btrfs_err_str function from uapi/linux/btrfs.h "Dmitry V. Levin" <ldv@altlinux.org> - 2017-02-16 00:00 +0100
      Re: [PATCH v2] btrfs: remove btrfs_err_str function from  uapi/linux/btrfs.h David Sterba <dsterba@suse.cz> - 2017-02-16 15:20 +0100
      [PATCH v3] btrfs: remove btrfs_err_str function from uapi/linux/btrfs.h "Dmitry V. Levin" <ldv@altlinux.org> - 2017-03-01 00:20 +0100

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