[linux-cifs-client] [PATCH 2/5] cifs: Make CIFSSessSetup and CIFSTcon use the helpers

[Suresh Jayaraman]

Make CIFSSessSetup use the helpers in order to maintain consistency
though it is unused now.

Signed-off-by: Suresh Jayaraman <sjayaraman at suse.de>
---
 fs/cifs/connect.c |   63 ++++++++++++++++++++--------------------------------
 1 files changed, 24 insertions(+), 39 deletions(-)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index bacdef1..8473a76 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2761,38 +2761,29 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
 					remaining_words =
 						BCC(smb_buffer_response) / 2;
 				}
-				len =
-				    UniStrnlen((wchar_t *) bcc_ptr,
-					       remaining_words - 1);
 /* We look for obvious messed up bcc or strings in response so we do not go off
    the end since (at least) WIN2K and Windows XP have a major bug in not null
    terminating last Unicode string in response  */
 				kfree(ses->serverOS);
-				ses->serverOS = kzalloc(2 * (len + 1),
-							GFP_KERNEL);
-				if (ses->serverOS == NULL)
+				rc = cifs_ucs_to_nls(&(ses->serverOS), bcc_ptr,
+						remaining_words - 1, &len,
+						nls_codepage);
+				if (rc)
 					goto sesssetup_nomem;
-				cifs_strfromUCS_le(ses->serverOS,
-						   (__le16 *)bcc_ptr,
-						   len, nls_codepage);
+				cFYI(1, ("serverOS=%s", ses->serverOS));
 				bcc_ptr += 2 * (len + 1);
 				remaining_words -= len + 1;
-				ses->serverOS[2 * len] = 0;
-				ses->serverOS[1 + (2 * len)] = 0;
 				if (remaining_words > 0) {
-					len = UniStrnlen((wchar_t *)bcc_ptr,
-							 remaining_words-1);
 					kfree(ses->serverNOS);
-					ses->serverNOS = kzalloc(2 * (len + 1),
-								 GFP_KERNEL);
-					if (ses->serverNOS == NULL)
+					rc = cifs_ucs_to_nls(&(ses->serverNOS),
+							bcc_ptr,
+							remaining_words - 1,
+							&len, nls_codepage);
+					if (rc)
 						goto sesssetup_nomem;
-					cifs_strfromUCS_le(ses->serverNOS,
-							   (__le16 *)bcc_ptr,
-							   len, nls_codepage);
+					cFYI(1, ("serverNOS=%s",
+							ses->serverNOS));
 					bcc_ptr += 2 * (len + 1);
-					ses->serverNOS[2 * len] = 0;
-					ses->serverNOS[1 + (2 * len)] = 0;
 					if (strncmp(ses->serverNOS,
 						"NT LAN Manager 4", 16) == 0) {
 						cFYI(1, ("NT4 server"));
@@ -2800,21 +2791,19 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
 					}
 					remaining_words -= len + 1;
 					if (remaining_words > 0) {
-						len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
 				/* last string is not always null terminated
 				   (for e.g. for Windows XP & 2000) */
 						kfree(ses->serverDomain);
-						ses->serverDomain =
-						    kzalloc(2*(len+1),
-							    GFP_KERNEL);
-						if (ses->serverDomain == NULL)
+						rc = cifs_ucs_to_nls(
+							&(ses->serverDomain),
+							bcc_ptr,
+							remaining_words, &len,
+							nls_codepage);
+						if (rc)
 							goto sesssetup_nomem;
-						cifs_strfromUCS_le(ses->serverDomain,
-							(__le16 *)bcc_ptr,
-							len, nls_codepage);
+						cFYI(1, ("serverDomain=%s",
+							ses->serverDomain));
 						bcc_ptr += 2 * (len + 1);
-						ses->serverDomain[2*len] = 0;
-						ses->serverDomain[1+(2*len)] = 0;
 					} else { /* else no more room so create
 						  dummy domain string */
 						kfree(ses->serverDomain);
@@ -3755,16 +3744,12 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
 			     pByteArea(smb_buffer_response) <=
 			    BCC(smb_buffer_response)) {
 				kfree(tcon->nativeFileSystem);
-				tcon->nativeFileSystem =
-				    kzalloc((4 * length) + 2, GFP_KERNEL);
-				if (tcon->nativeFileSystem) {
-					cifs_strfromUCS_le(
-						tcon->nativeFileSystem,
-						(__le16 *) bcc_ptr,
-						length, nls_codepage);
+				rc = cifs_ucs_to_nls(&(tcon->nativeFileSystem),
+						bcc_ptr, MAX_NAME, &length,
+						nls_codepage);
+				if (!rc)
 					cFYI(1, ("nativeFileSystem=%s",
 						tcon->nativeFileSystem));
-				}
 			}
 			/* else do not bother copying these information fields*/
 		} else {