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nfsd4: remove pointless strdup_if_nonnull

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kstrdup() already checks for NULL.

(Brought to our attention by Jason Yann noticing (from sparse output)
that it should have been declared static.)

Signed-off-by: NeilBrown <[email protected]>
Reported-by: Jason Yan <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
This commit is contained in:
NeilBrown 2017-03-23 16:57:36 +08:00 • committed by J. Bruce Fields
commit 2f10fdcb6a
1 changed files with 6 additions and 19 deletions
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25
fs/nfsd/nfs4state.c
View file

@ -1912,28 +1912,15 @@ static void copy_clid(struct nfs4_client *target, struct nfs4_client *source)
target->cl_clientid.cl_id = source->cl_clientid.cl_id;
}
int strdup_if_nonnull(char **target, char *source)
{
if (source) {
*target = kstrdup(source, GFP_KERNEL);
if (!*target)
return -ENOMEM;
} else
*target = NULL;
return 0;
}
static int copy_cred(struct svc_cred *target, struct svc_cred *source)
{
int ret;
target->cr_principal = kstrdup(source->cr_principal, GFP_KERNEL);
target->cr_raw_principal = kstrdup(source->cr_raw_principal,
GFP_KERNEL);
if ((source->cr_principal && ! target->cr_principal) ||
(source->cr_raw_principal && ! target->cr_raw_principal))
return -ENOMEM;
ret = strdup_if_nonnull(&target->cr_principal, source->cr_principal);
if (ret)
return ret;
ret = strdup_if_nonnull(&target->cr_raw_principal,
source->cr_raw_principal);
if (ret)
return ret;
target->cr_flavor = source->cr_flavor;
target->cr_uid = source->cr_uid;
target->cr_gid = source->cr_gid;