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Commit 15bc77f9 authored by Aurelien Aptel's avatar Aurelien Aptel Committed by Steve French
Browse files

cifs: move large array from stack to heap 



This addresses some compile warnings that you can
see depending on configuration settings.

Signed-off-by: default avatarAurelien Aptel <aaptel@suse.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent ee13919c

fs/cifs/cifssmb.c

+16 −7
Original line number Diff line number Diff line
@@ -128,24 +128,31 @@ static int __cifs_reconnect_tcon(const struct nls_table *nlsc, 
	int rc;

	struct dfs_cache_tgt_list tl;

	struct dfs_cache_tgt_iterator *it = NULL;

	char tree[MAX_TREE_SIZE + 1];

	char *tree;

	const char *tcp_host;

	size_t tcp_host_len;

	const char *dfs_host;

	size_t dfs_host_len;



	tree = kzalloc(MAX_TREE_SIZE, GFP_KERNEL);

	if (!tree)

		return -ENOMEM;



	if (tcon->ipc) {

		snprintf(tree, sizeof(tree), "\\\\%s\\IPC$",

		snprintf(tree, MAX_TREE_SIZE, "\\\\%s\\IPC$",

			 tcon->ses->server->hostname);

		return CIFSTCon(0, tcon->ses, tree, tcon, nlsc);

		rc = CIFSTCon(0, tcon->ses, tree, tcon, nlsc);

		goto out;

	}



	if (!tcon->dfs_path)

		return CIFSTCon(0, tcon->ses, tcon->treeName, tcon, nlsc);

	if (!tcon->dfs_path) {

		rc = CIFSTCon(0, tcon->ses, tcon->treeName, tcon, nlsc);

		goto out;

	}



	rc = dfs_cache_noreq_find(tcon->dfs_path + 1, NULL, &tl);

	if (rc)

		return rc;

		goto out;



	extract_unc_hostname(tcon->ses->server->hostname, &tcp_host,

			     &tcp_host_len);
@@ -165,7 +172,7 @@ static int __cifs_reconnect_tcon(const struct nls_table *nlsc, 
			continue;

		}



		snprintf(tree, sizeof(tree), "\\%s", tgt);

		snprintf(tree, MAX_TREE_SIZE, "\\%s", tgt);



		rc = CIFSTCon(0, tcon->ses, tree, tcon, nlsc);

		if (!rc)
@@ -182,6 +189,8 @@ static int __cifs_reconnect_tcon(const struct nls_table *nlsc, 
			rc = -ENOENT;

	}

	dfs_cache_free_tgts(&tl);

out:

	kfree(tree);

	return rc;

}

#else

fs/cifs/smb2pdu.c

+16 −7
Original line number Diff line number Diff line
@@ -162,24 +162,31 @@ static int __smb2_reconnect(const struct nls_table *nlsc, 
	int rc;

	struct dfs_cache_tgt_list tl;

	struct dfs_cache_tgt_iterator *it = NULL;

	char tree[MAX_TREE_SIZE + 1];

	char *tree;

	const char *tcp_host;

	size_t tcp_host_len;

	const char *dfs_host;

	size_t dfs_host_len;



	tree = kzalloc(MAX_TREE_SIZE, GFP_KERNEL);

	if (!tree)

		return -ENOMEM;



	if (tcon->ipc) {

		snprintf(tree, sizeof(tree), "\\\\%s\\IPC$",

		snprintf(tree, MAX_TREE_SIZE, "\\\\%s\\IPC$",

			 tcon->ses->server->hostname);

		return SMB2_tcon(0, tcon->ses, tree, tcon, nlsc);

		rc = SMB2_tcon(0, tcon->ses, tree, tcon, nlsc);

		goto out;

	}



	if (!tcon->dfs_path)

		return SMB2_tcon(0, tcon->ses, tcon->treeName, tcon, nlsc);

	if (!tcon->dfs_path) {

		rc = SMB2_tcon(0, tcon->ses, tcon->treeName, tcon, nlsc);

		goto out;

	}



	rc = dfs_cache_noreq_find(tcon->dfs_path + 1, NULL, &tl);

	if (rc)

		return rc;

		goto out;



	extract_unc_hostname(tcon->ses->server->hostname, &tcp_host,

			     &tcp_host_len);
@@ -199,7 +206,7 @@ static int __smb2_reconnect(const struct nls_table *nlsc, 
			continue;

		}



		snprintf(tree, sizeof(tree), "\\%s", tgt);

		snprintf(tree, MAX_TREE_SIZE, "\\%s", tgt);



		rc = SMB2_tcon(0, tcon->ses, tree, tcon, nlsc);

		if (!rc)
@@ -216,6 +223,8 @@ static int __smb2_reconnect(const struct nls_table *nlsc, 
			rc = -ENOENT;

	}

	dfs_cache_free_tgts(&tl);

out:

	kfree(tree);

	return rc;

}

#else