Fix sparse tool compile warnings for cifs

Signed-off-by: Steve French (sfrench@us.ibm.com>

fs/cifs/cifs_debug.c

@@ -400,7 +400,7 @@ cifsFYI_read(char *page, char **start, off_t off, int count,
 	return len;
 }
 static int
-cifsFYI_write(struct file *file, const char *buffer,
+cifsFYI_write(struct file *file, const char __user *buffer,
 	      unsigned long count, void *data)
 {
 	char c;
@@ -439,7 +439,7 @@ oplockEnabled_read(char *page, char **start, off_t off,
 	return len;
 }
 static int
-oplockEnabled_write(struct file *file, const char *buffer,
+oplockEnabled_write(struct file *file, const char __user *buffer,
 		    unsigned long count, void *data)
 {
 	char c;
@@ -479,7 +479,7 @@ quotaEnabled_read(char *page, char **start, off_t off,
         return len;
 }
 static int
-quotaEnabled_write(struct file *file, const char *buffer,
+quotaEnabled_write(struct file *file, const char __user *buffer,
                     unsigned long count, void *data)
 {
         char c;
@@ -519,7 +519,7 @@ linuxExtensionsEnabled_read(char *page, char **start, off_t off,
         return len;
 }
 static int
-linuxExtensionsEnabled_write(struct file *file, const char *buffer,
+linuxExtensionsEnabled_write(struct file *file, const char __user *buffer,
                     unsigned long count, void *data)
 {
         char c;
@@ -559,7 +559,7 @@ lookupFlag_read(char *page, char **start, off_t off,
 	return len;
 }
 static int
-lookupFlag_write(struct file *file, const char *buffer,
+lookupFlag_write(struct file *file, const char __user *buffer,
 		    unsigned long count, void *data)
 {
 	char c;
@@ -597,7 +597,7 @@ traceSMB_read(char *page, char **start, off_t off, int count,
 	return len;
 }
 static int
-traceSMB_write(struct file *file, const char *buffer,
+traceSMB_write(struct file *file, const char __user *buffer,
 	       unsigned long count, void *data)
 {
 	char c;
@@ -636,7 +636,7 @@ multiuser_mount_read(char *page, char **start, off_t off,
 	return len;
 }
 static int
-multiuser_mount_write(struct file *file, const char *buffer,
+multiuser_mount_write(struct file *file, const char __user *buffer,
 		      unsigned long count, void *data)
 {
 	char c;
@@ -675,7 +675,7 @@ extended_security_read(char *page, char **start, off_t off,
 	return len;
 }
 static int
-extended_security_write(struct file *file, const char *buffer,
+extended_security_write(struct file *file, const char __user *buffer,
 			unsigned long count, void *data)
 {
 	char c;
@@ -714,7 +714,7 @@ ntlmv2_enabled_read(char *page, char **start, off_t off,
 	return len;
 }
 static int
-ntlmv2_enabled_write(struct file *file, const char *buffer,
+ntlmv2_enabled_write(struct file *file, const char __user *buffer,
 			unsigned long count, void *data)
 {
 	char c;
@@ -753,7 +753,7 @@ packet_signing_enabled_read(char *page, char **start, off_t off,
 	return len;
 }
 static int
-packet_signing_enabled_write(struct file *file, const char *buffer,
+packet_signing_enabled_write(struct file *file, const char __user *buffer,
 			unsigned long count, void *data)
 {
 	char c;

fs/cifs/cifsfs.c

@@ -426,7 +426,7 @@ cifs_get_sb(struct file_system_type *fs_type,
 }
 
 static ssize_t
-cifs_read_wrapper(struct file * file, char *read_data, size_t read_size,
+cifs_read_wrapper(struct file * file, char __user *read_data, size_t read_size,
           loff_t * poffset)
 {
 	if(file == NULL)
@@ -455,7 +455,7 @@ cifs_read_wrapper(struct file * file, char *read_data, size_t read_size,
 }
 
 static ssize_t
-cifs_write_wrapper(struct file * file, const char *write_data,
+cifs_write_wrapper(struct file * file, const char __user *write_data,
            size_t write_size, loff_t * poffset) 
 {
 	ssize_t written;

fs/cifs/cifsfs.h

@@ -85,7 +85,7 @@ extern struct dentry_operations cifs_dentry_ops;
 
 /* Functions related to symlinks */
 extern int cifs_follow_link(struct dentry *direntry, struct nameidata *nd);
-extern int cifs_readlink(struct dentry *direntry, char *buffer, int buflen);
+extern int cifs_readlink(struct dentry *direntry, char __user *buffer, int buflen);
 extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
 			const char *symname);
 extern int	cifs_removexattr(struct dentry *, const char *);

fs/cifs/connect.c

@@ -1559,7 +1559,7 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
 					bcc_ptr +=
 					    pSMBr->resp.SecurityBlobLength;
 
-				if (smb_buffer->Flags2 &= SMBFLG2_UNICODE) {
+				if (smb_buffer->Flags2 & SMBFLG2_UNICODE) {
 					if ((long) (bcc_ptr) % 2) {
 						remaining_words =
 						    (BCC(smb_buffer_response)
@@ -1812,7 +1812,7 @@ CIFSSpnegoSessSetup(unsigned int xid, struct cifsSesInfo *ses,
 					      pSMBr->resp.SecurityBlobLength));
 				}
 
-				if (smb_buffer->Flags2 &= SMBFLG2_UNICODE) {
+				if (smb_buffer->Flags2 & SMBFLG2_UNICODE) {
 					if ((long) (bcc_ptr) % 2) {
 						remaining_words =
 						    (BCC(smb_buffer_response)
@@ -2123,7 +2123,7 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
 						ses->server->secMode |= 
 							SECMODE_SIGN_ENABLED;
 
-				if (smb_buffer->Flags2 &= SMBFLG2_UNICODE) {
+				if (smb_buffer->Flags2 & SMBFLG2_UNICODE) {
 					if ((long) (bcc_ptr) % 2) {
 						remaining_words =
 						    (BCC(smb_buffer_response)
@@ -2519,7 +2519,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
 				cFYI(1,
 				     ("NTLMSSP response to Authenticate "));
 
-				if (smb_buffer->Flags2 &= SMBFLG2_UNICODE) {
+				if (smb_buffer->Flags2 & SMBFLG2_UNICODE) {
 					if ((long) (bcc_ptr) % 2) {
 						remaining_words =
 						    (BCC(smb_buffer_response)
@@ -2718,7 +2718,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
         /* skip service field (NB: this field is always ASCII) */
 		bcc_ptr += length + 1;	
 		strncpy(tcon->treeName, tree, MAX_TREE_SIZE);
-		if (smb_buffer->Flags2 &= SMBFLG2_UNICODE) {
+		if (smb_buffer->Flags2 & SMBFLG2_UNICODE) {
 			length = UniStrnlen((wchar_t *) bcc_ptr, 512);
 			if (((long) bcc_ptr + (2 * length)) -
 			    (long) pByteArea(smb_buffer_response) <=

fs/cifs/link.c

@@ -210,7 +210,7 @@ cifs_symlink(struct inode *inode, struct dentry *direntry, const char *symname)
 }
 
 int
-cifs_readlink(struct dentry *direntry, char *pBuffer, int buflen)
+cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen)
 {
 	struct inode *inode = direntry->d_inode;
 	int rc = -EACCES;