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gfs2: Silence gcc format-truncation warning 

Enlarge sd_fsname to be big enough for the longest long lock table name
and an arbitrary journal number.  This silences two -Wformat-truncation
warnings with gcc 7.1.1.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
This commit is contained in:
Andreas Gruenbacher 2017-08-22 12:17:35 -05:00 committed by Bob Peterson
parent 942b0cddfb
commit 561b796987
2 changed files with 4 additions and 4 deletions
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2
fs/gfs2/incore.h
View File

@ -833,7 +833,7 @@ struct gfs2_sbd {
atomic_t sd_freeze_state;
struct mutex sd_freeze_mutex;
char sd_fsname[GFS2_FSNAME_LEN];
char sd_fsname[GFS2_FSNAME_LEN + 3 * sizeof(int) + 2];
char sd_table_name[GFS2_FSNAME_LEN];
char sd_proto_name[GFS2_FSNAME_LEN];

6
fs/gfs2/ops_fstype.c
View File

@ -1113,7 +1113,7 @@ static int fill_super(struct super_block *sb, struct gfs2_args *args, int silent
return error;
}
snprintf(sdp->sd_fsname, GFS2_FSNAME_LEN, "%s", sdp->sd_table_name);
snprintf(sdp->sd_fsname, sizeof(sdp->sd_fsname), "%s", sdp->sd_table_name);
error = gfs2_sys_fs_add(sdp);
/*
@ -1159,10 +1159,10 @@ static int fill_super(struct super_block *sb, struct gfs2_args *args, int silent
}
if (sdp->sd_args.ar_spectator)
snprintf(sdp->sd_fsname, GFS2_FSNAME_LEN, "%s.s",
snprintf(sdp->sd_fsname, sizeof(sdp->sd_fsname), "%s.s",
sdp->sd_table_name);
else
snprintf(sdp->sd_fsname, GFS2_FSNAME_LEN, "%s.%u",
snprintf(sdp->sd_fsname, sizeof(sdp->sd_fsname), "%s.%u",
sdp->sd_table_name, sdp->sd_lockstruct.ls_jid);
error = init_inodes(sdp, DO);