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ubifs: Fix xattr_names length in exit paths
When the operation fails we also have to undo the changes we made to ->xattr_names. Otherwise listxattr() will report wrong lengths. Cc: stable@vger.kernel.org Signed-off-by: Richard Weinberger <richard@nod.at>
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1 changed files with 2 additions and 0 deletions
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@ -172,6 +172,7 @@ static int create_xattr(struct ubifs_info *c, struct inode *host,
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host_ui->xattr_cnt -= 1;
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host_ui->xattr_size -= CALC_DENT_SIZE(nm->len);
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host_ui->xattr_size -= CALC_XATTR_BYTES(size);
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host_ui->xattr_names -= nm->len;
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mutex_unlock(&host_ui->ui_mutex);
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out_free:
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make_bad_inode(inode);
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@ -478,6 +479,7 @@ static int remove_xattr(struct ubifs_info *c, struct inode *host,
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host_ui->xattr_cnt += 1;
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host_ui->xattr_size += CALC_DENT_SIZE(nm->len);
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host_ui->xattr_size += CALC_XATTR_BYTES(ui->data_len);
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host_ui->xattr_names += nm->len;
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mutex_unlock(&host_ui->ui_mutex);
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ubifs_release_budget(c, &req);
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make_bad_inode(inode);
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