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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-01-24 09:46:54 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-01-24 09:46:54 -0800
commit5394cd218735bf462e72bb827fbb7e47fc15f2f0 (patch)
treebdbc64d378a015fd921d2adc1cac49752f3121f1 /fs
parent6f3776c9cd03998f0e6d11774a03aa1788b4e463 (diff)
parent8e6f195af0e1f226e9b2e0256af8df46adb9d595 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] Fix oops when Windows server sent bad domain name null terminator [CIFS] cifs sprintf fix [CIFS] Remove 2 unneeded kzalloc casts [CIFS] Update CIFS version number
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/CHANGES4
-rw-r--r--fs/cifs/cifs_debug.c4
-rw-r--r--fs/cifs/cifsfs.h2
-rw-r--r--fs/cifs/misc.c8
-rw-r--r--fs/cifs/sess.c13
5 files changed, 17 insertions, 14 deletions
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index 3539d6e..d04d2f7 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -1,3 +1,7 @@
+Version 1.47
+------------
+Fix oops in list_del during mount caused by unaligned string.
+
Version 1.46
------------
Support deep tree mounts. Better support OS/2, Win9x (DOS) time stamps.
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 96abeb7..6017c46 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -143,8 +143,8 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList);
if((ses->serverDomain == NULL) || (ses->serverOS == NULL) ||
(ses->serverNOS == NULL)) {
- buf += sprintf("\nentry for %s not fully displayed\n\t",
- ses->serverName);
+ buf += sprintf(buf, "\nentry for %s not fully "
+ "displayed\n\t", ses->serverName);
} else {
length =
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index a243f77..8aa66dc 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -100,5 +100,5 @@ extern ssize_t cifs_getxattr(struct dentry *, const char *, void *, size_t);
extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
extern int cifs_ioctl (struct inode * inode, struct file * filep,
unsigned int command, unsigned long arg);
-#define CIFS_VERSION "1.46"
+#define CIFS_VERSION "1.47"
#endif /* _CIFSFS_H */
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index aedf683..19cc294 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -71,9 +71,7 @@ sesInfoAlloc(void)
{
struct cifsSesInfo *ret_buf;
- ret_buf =
- (struct cifsSesInfo *) kzalloc(sizeof (struct cifsSesInfo),
- GFP_KERNEL);
+ ret_buf = kzalloc(sizeof (struct cifsSesInfo), GFP_KERNEL);
if (ret_buf) {
write_lock(&GlobalSMBSeslock);
atomic_inc(&sesInfoAllocCount);
@@ -109,9 +107,7 @@ struct cifsTconInfo *
tconInfoAlloc(void)
{
struct cifsTconInfo *ret_buf;
- ret_buf =
- (struct cifsTconInfo *) kzalloc(sizeof (struct cifsTconInfo),
- GFP_KERNEL);
+ ret_buf = kzalloc(sizeof (struct cifsTconInfo), GFP_KERNEL);
if (ret_buf) {
write_lock(&GlobalSMBSeslock);
atomic_inc(&tconInfoAllocCount);
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index bbdda99..7584646 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -182,11 +182,14 @@ static int decode_unicode_ssetup(char ** pbcc_area, int bleft, struct cifsSesInf
cFYI(1,("bleft %d",bleft));
- /* word align, if bytes remaining is not even */
- if(bleft % 2) {
- bleft--;
- data++;
- }
+ /* SMB header is unaligned, so cifs servers word align start of
+ Unicode strings */
+ data++;
+ bleft--; /* Windows servers do not always double null terminate
+ their final Unicode string - in which case we
+ now will not attempt to decode the byte of junk
+ which follows it */
+
words_left = bleft / 2;
/* save off server operating system */