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GFS2: Clear gl_object if gfs2_create_inode fails

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If function gfs2_create_inode fails after the inode has been
created (for example, if the inode_refresh fails for some reason)
the function was setting gl_object but never clearing it again.
The glocks are left pointing to a freed inode. This patch adds
the calls to clear gl_object in the appropriate error paths.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com>
This commit is contained in:
Bob Peterson 2017-07-18 12:26:07 -05:00
parent 4d7c18c7df
commit 9c1b28081f
1 changed files with 4 additions and 1 deletions
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5
fs/gfs2/inode.c
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@ -775,14 +775,17 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
return error;
fail_gunlock3:
glock_clear_object(io_gl, ip);
gfs2_glock_dq_uninit(&ip->i_iopen_gh);
gfs2_glock_put(io_gl);
fail_gunlock2:
if (io_gl)
clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags);
fail_free_inode:
if (ip->i_gl)
if (ip->i_gl) {
glock_clear_object(ip->i_gl, ip);
gfs2_glock_put(ip->i_gl);
}
gfs2_rsqa_delete(ip, NULL);
fail_free_acls:
if (default_acl)