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NFSD: Rewrite synopsis of nfsd_percpu_counters_init()

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[ Upstream commit 5ec39944f874e1ecc09f624a70dfaa8ac3bf9d08 ]

In function ‘export_stats_init’,
    inlined from ‘svc_export_alloc’ at fs/nfsd/export.c:866:6:
fs/nfsd/export.c:337:16: warning: ‘nfsd_percpu_counters_init’ accessing 40 bytes in a region of size 0 [-Wstringop-overflow=]
  337 |         return nfsd_percpu_counters_init(&stats->counter, EXP_STATS_COUNTERS_NUM);
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fs/nfsd/export.c:337:16: note: referencing argument 1 of type ‘struct percpu_counter[0]’
fs/nfsd/stats.h: In function ‘svc_export_alloc’:
fs/nfsd/stats.h:40:5: note: in a call to function ‘nfsd_percpu_counters_init’
   40 | int nfsd_percpu_counters_init(struct percpu_counter counters[], int num);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Stable-dep-of: 93483ac5fec6 ("nfsd: expose /proc/net/sunrpc/nfsd in net namespaces")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chuck Lever 2024-08-10 15:59:58 -04:00 • committed by Greg Kroah-Hartman
parent c80c42b876
commit 0b4e84615b
2 changed files with 4 additions and 4 deletions
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2
fs/nfsd/stats.c
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@ -74,7 +74,7 @@ static int nfsd_show(struct seq_file *seq, void *v)
DEFINE_PROC_SHOW_ATTRIBUTE(nfsd);
int nfsd_percpu_counters_init(struct percpu_counter counters[], int num)
int nfsd_percpu_counters_init(struct percpu_counter *counters, int num)
{
int i, err = 0;

6
fs/nfsd/stats.h
View file

@ -36,9 +36,9 @@ extern struct nfsd_stats nfsdstats;
extern struct svc_stat nfsd_svcstats;
int nfsd_percpu_counters_init(struct percpu_counter counters[], int num);
void nfsd_percpu_counters_reset(struct percpu_counter counters[], int num);
void nfsd_percpu_counters_destroy(struct percpu_counter counters[], int num);
int nfsd_percpu_counters_init(struct percpu_counter *counters, int num);
void nfsd_percpu_counters_reset(struct percpu_counter *counters, int num);
void nfsd_percpu_counters_destroy(struct percpu_counter *counters, int num);
int nfsd_stat_init(void);
void nfsd_stat_shutdown(void);