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nfsd: no need to check return value of debugfs_create functions

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When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: linux-nfs@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20190612152603.GB18440@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2019-06-12 17:26:03 +02:00
parent 352bce2ee1
commit 15b6ff9516
3 changed files with 5 additions and 16 deletions
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12
fs/nfsd/fault_inject.c
View File

@ -127,24 +127,16 @@ static struct nfsd_fault_inject_op inject_ops[] = {
},
};
int nfsd_fault_inject_init(void)
void nfsd_fault_inject_init(void)
{
unsigned int i;
struct nfsd_fault_inject_op *op;
umode_t mode = S_IFREG | S_IRUSR | S_IWUSR;
debug_dir = debugfs_create_dir("nfsd", NULL);
if (!debug_dir)
goto fail;
for (i = 0; i < ARRAY_SIZE(inject_ops); i++) {
op = &inject_ops[i];
if (!debugfs_create_file(op->file, mode, debug_dir, op, &fops_nfsd))
goto fail;
debugfs_create_file(op->file, mode, debug_dir, op, &fops_nfsd);
}
return 0;
fail:
nfsd_fault_inject_cleanup();
return -ENOMEM;
}

5
fs/nfsd/nfsctl.c
View File

@ -1291,9 +1291,7 @@ static int __init init_nfsd(void)
retval = nfsd4_init_pnfs();
if (retval)
goto out_free_slabs;
retval = nfsd_fault_inject_init(); /* nfsd fault injection controls */
if (retval)
goto out_exit_pnfs;
nfsd_fault_inject_init(); /* nfsd fault injection controls */
nfsd_stat_init(); /* Statistics */
retval = nfsd_reply_cache_init();
if (retval)
@ -1315,7 +1313,6 @@ static int __init init_nfsd(void)
out_free_stat:
nfsd_stat_shutdown();
nfsd_fault_inject_cleanup();
out_exit_pnfs:
nfsd4_exit_pnfs();
out_free_slabs:
nfsd4_free_slabs();

4
fs/nfsd/state.h
View File

@ -663,7 +663,7 @@ extern void nfsd4_record_grace_done(struct nfsd_net *nn);
/* nfs fault injection functions */
#ifdef CONFIG_NFSD_FAULT_INJECTION
int nfsd_fault_inject_init(void);
void nfsd_fault_inject_init(void);
void nfsd_fault_inject_cleanup(void);
u64 nfsd_inject_print_clients(void);
@ -684,7 +684,7 @@ u64 nfsd_inject_forget_delegations(u64);
u64 nfsd_inject_recall_client_delegations(struct sockaddr_storage *, size_t);
u64 nfsd_inject_recall_delegations(u64);
#else /* CONFIG_NFSD_FAULT_INJECTION */
static inline int nfsd_fault_inject_init(void) { return 0; }
static inline void nfsd_fault_inject_init(void) {}
static inline void nfsd_fault_inject_cleanup(void) {}
#endif /* CONFIG_NFSD_FAULT_INJECTION */