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| author | Randall P. Embry <rpembry@gmail.com> | 2025-09-26 18:27:30 +0900 |
|---|---|---|
| committer | Dominique Martinet <asmadeus@codewreck.org> | 2025-09-27 21:44:36 +0900 |
| commit | 86db0c32f16c5538ddb740f54669ace8f3a1f3d7 (patch) | |
| tree | 10babba19156f95d9097acc84ed70ae24658dead | |
| parent | 9p: clean up comment typos (diff) | |
| download | linux-86db0c32f16c5538ddb740f54669ace8f3a1f3d7.tar.gz linux-86db0c32f16c5538ddb740f54669ace8f3a1f3d7.zip | |
9p: fix /sys/fs/9p/caches overwriting itself
caches_show() overwrote its buffer on each iteration,
so only the last cache tag was visible in sysfs output.
Properly append with snprintf(buf + count, …).
Signed-off-by: Randall P. Embry <rpembry@gmail.com>
Message-ID: <20250926-v9fs_misc-v1-2-a8b3907fc04d@codewreck.org>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
| -rw-r--r-- | fs/9p/v9fs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index 01e70a464b60..4d289c56578f 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -560,7 +560,7 @@ static ssize_t caches_show(struct kobject *kobj, spin_lock(&v9fs_sessionlist_lock); list_for_each_entry(v9ses, &v9fs_sessionlist, slist) { if (v9ses->cachetag) { - n = snprintf(buf, limit, "%s\n", v9ses->cachetag); + n = snprintf(buf + count, limit, "%s\n", v9ses->cachetag); if (n < 0) { count = n; break; |