diff options
Diffstat (limited to 'fs/gfs2/sys.c')
| -rw-r--r-- | fs/gfs2/sys.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 0d7f0a4e3717..88386d8dc05a 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -32,12 +32,12 @@ spinlock_t gfs2_sys_margs_lock; static ssize_t id_show(struct gfs2_sbd *sdp, char *buf) { - return sprintf(buf, "%s\n", sdp->sd_vfs->s_id); + return snprintf(buf, PAGE_SIZE, "%s\n", sdp->sd_vfs->s_id); } static ssize_t fsname_show(struct gfs2_sbd *sdp, char *buf) { - return sprintf(buf, "%s\n", sdp->sd_fsname); + return snprintf(buf, PAGE_SIZE, "%s\n", sdp->sd_fsname); } static ssize_t freeze_show(struct gfs2_sbd *sdp, char *buf) @@ -48,7 +48,7 @@ static ssize_t freeze_show(struct gfs2_sbd *sdp, char *buf) count = sdp->sd_freeze_count; mutex_unlock(&sdp->sd_freeze_lock); - return sprintf(buf, "%u\n", count); + return snprintf(buf, PAGE_SIZE, "%u\n", count); } static ssize_t freeze_store(struct gfs2_sbd *sdp, const char *buf, size_t len) @@ -80,7 +80,7 @@ static ssize_t freeze_store(struct gfs2_sbd *sdp, const char *buf, size_t len) static ssize_t withdraw_show(struct gfs2_sbd *sdp, char *buf) { unsigned int b = test_bit(SDF_SHUTDOWN, &sdp->sd_flags); - return sprintf(buf, "%u\n", b); + return snprintf(buf, PAGE_SIZE, "%u\n", b); } static ssize_t withdraw_store(struct gfs2_sbd *sdp, const char *buf, size_t len) @@ -239,7 +239,7 @@ struct lockstruct_attr { #define LOCKSTRUCT_ATTR(name, fmt) \ static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ { \ - return sprintf(buf, fmt, sdp->sd_lockstruct.ls_##name); \ + return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_lockstruct.ls_##name); \ } \ static struct lockstruct_attr lockstruct_attr_##name = __ATTR_RO(name) @@ -268,7 +268,7 @@ struct args_attr { #define ARGS_ATTR(name, fmt) \ static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ { \ - return sprintf(buf, fmt, sdp->sd_args.ar_##name); \ + return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_args.ar_##name); \ } \ static struct args_attr args_attr_##name = __ATTR_RO(name) @@ -290,7 +290,8 @@ ARGS_ATTR(data, "%d\n"); /* one oddball doesn't fit the macro mold */ static ssize_t noatime_show(struct gfs2_sbd *sdp, char *buf) { - return sprintf(buf, "%d\n", !!test_bit(SDF_NOATIME, &sdp->sd_flags)); + return snprintf(buf, PAGE_SIZE, "%d\n", + !!test_bit(SDF_NOATIME, &sdp->sd_flags)); } static struct args_attr args_attr_noatime = __ATTR_RO(noatime); @@ -325,7 +326,8 @@ struct counters_attr { #define COUNTERS_ATTR(name, fmt) \ static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ { \ - return sprintf(buf, fmt, (unsigned int)atomic_read(&sdp->sd_##name)); \ + return snprintf(buf, PAGE_SIZE, fmt, \ + (unsigned int)atomic_read(&sdp->sd_##name)); \ } \ static struct counters_attr counters_attr_##name = __ATTR_RO(name) @@ -348,8 +350,9 @@ static struct attribute *counters_attrs[] = { static ssize_t quota_scale_show(struct gfs2_sbd *sdp, char *buf) { - return sprintf(buf, "%u %u\n", sdp->sd_tune.gt_quota_scale_num, - sdp->sd_tune.gt_quota_scale_den); + return snprintf(buf, PAGE_SIZE, "%u %u\n", + sdp->sd_tune.gt_quota_scale_num, + sdp->sd_tune.gt_quota_scale_den); } static ssize_t quota_scale_store(struct gfs2_sbd *sdp, const char *buf, @@ -403,7 +406,7 @@ static struct tune_attr tune_attr_##name = __ATTR(name, 0644, show, store) #define TUNE_ATTR_2(name, store) \ static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ { \ - return sprintf(buf, "%u\n", sdp->sd_tune.gt_##name); \ + return snprintf(buf, PAGE_SIZE, "%u\n", sdp->sd_tune.gt_##name); \ } \ TUNE_ATTR_3(name, name##_show, store) |