Messages in this thread | | | From | Namjae Jeon <> | Date | Wed, 23 Mar 2022 08:38:18 +0900 | Subject | Re: [PATCH] ksmbd: Remove a redundant zeroing of memory |
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2022-03-23 5:29 GMT+09:00, Christophe JAILLET <christophe.jaillet@wanadoo.fr>: > fill_transform_hdr() already call memset(0) on its 1st argument, so there > is no need to clear it explicitly before calling this function. > > Use kmalloc() instead of kzalloc() to save a few cycles. > > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> > --- > Alternatively, fill_transform_hdr() has only one caller. So its memset() > could be removed instead and this kzalloc() left as is. I prefer this. Could you update the patch ?
Thanks! > --- > fs/ksmbd/smb2pdu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c > index bcb98109bac9..0e4f819e5859 100644 > --- a/fs/ksmbd/smb2pdu.c > +++ b/fs/ksmbd/smb2pdu.c > @@ -8434,7 +8434,7 @@ int smb3_encrypt_resp(struct ksmbd_work *work) > if (ARRAY_SIZE(iov) < rq_nvec) > return -ENOMEM; > > - work->tr_buf = kzalloc(sizeof(struct smb2_transform_hdr) + 4, > GFP_KERNEL); > + work->tr_buf = kmalloc(sizeof(struct smb2_transform_hdr) + 4, > GFP_KERNEL); > if (!work->tr_buf) > return rc; > > -- > 2.32.0 > >
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