On Tuesday November 13, [email protected] wrote:
> Remove defconfig ptr comparison to 0
>
> Remove sparse warning: Using plain integer as NULL pointer
>
> Signed-off-by: Joe Perches <[email protected]>
>
> ---
>
> diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
> index d019918..07b38cf 100644
> --- a/fs/nfsd/vfs.c
> +++ b/fs/nfsd/vfs.c
> @@ -987,7 +987,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
> * flushing the data to disk is handled separately below.
> */
>
> - if (file->f_op->fsync == 0) {/* COMMIT3 cannot work */
> + if (!file->f_op->fsync) {/* COMMIT3 cannot work */
> stable = 2;
> *stablep = 2; /* FILE_SYNC */
> }
>
Personally, I would much rather these were changed to "== NULL".
Different people have different preferences on whether to use
! foo
or
foo == NULL
and the person who wrote that code is presumably showing a preference
for the later. Changing it from "== 0" to "== NULL" is clearly a
valuable improvement. Changing from "== 0" to "! " is a stylistic
change that should not be made lightly.
I personally often use and prefer the explicit comparison to NULL.
NeilBrown
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