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GFS2: More automated code analysis fixes 

A potentially uninitialised variable, some unreachable code,
and the main part of this, fixing the error path in the
unlink function.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
hifive-unleashed-5.1
Steven Whitehouse 2011-11-08 14:04:20 +00:00
parent dfe4d34b39
commit 87654896ca
3 changed files with 7 additions and 7 deletions
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3
fs/gfs2/bmap.c
View File

@ -743,9 +743,6 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh,
else if (ip->i_depth)
revokes = sdp->sd_inptrs;
if (error)
return error;
memset(&rlist, 0, sizeof(struct gfs2_rgrp_list));
bstart = 0;
blen = 0;

2
fs/gfs2/file.c
View File

@ -609,7 +609,7 @@ static int gfs2_fsync(struct file *file, loff_t start, loff_t end,
struct inode *inode = mapping->host;
int sync_state = inode->i_state & (I_DIRTY_SYNC|I_DIRTY_DATASYNC);
struct gfs2_inode *ip = GFS2_I(inode);
int ret, ret1 = 0;
int ret = 0, ret1 = 0;
if (mapping->nrpages) {
ret1 = filemap_fdatawrite_range(mapping, start, end);

9
fs/gfs2/inode.c
View File

@ -1037,12 +1037,14 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
struct buffer_head *bh;
struct gfs2_holder ghs[3];
struct gfs2_rgrpd *rgd;
int error;
int error = -EROFS;
gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);
gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + 1);
rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr);
if (!rgd)
goto out_inodes;
gfs2_holder_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, ghs + 2);
@ -1088,12 +1090,13 @@ out_end_trans:
out_gunlock:
gfs2_glock_dq(ghs + 2);
out_rgrp:
gfs2_holder_uninit(ghs + 2);
gfs2_glock_dq(ghs + 1);
out_child:
gfs2_holder_uninit(ghs + 1);
gfs2_glock_dq(ghs);
out_parent:
gfs2_holder_uninit(ghs + 2);
out_inodes:
gfs2_holder_uninit(ghs + 1);
gfs2_holder_uninit(ghs);
return error;
}