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-rw-r--r--fs/cifs/cifsfs.c5
-rw-r--r--fs/cifs/cifssmb.c5
-rw-r--r--fs/cifs/connect.c2
-rw-r--r--fs/cifs/file.c12
4 files changed, 19 insertions, 5 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 4bad7b16271f..1a052c0eee8e 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -564,6 +564,11 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb)
dentry = ERR_PTR(-ENOENT);
break;
}
+ if (!S_ISDIR(dir->i_mode)) {
+ dput(dentry);
+ dentry = ERR_PTR(-ENOTDIR);
+ break;
+ }
/* skip separators */
while (*s == sep)
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 00e12f2d626b..7353bc5d73d7 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1909,8 +1909,11 @@ cifs_writev_requeue(struct cifs_writedata *wdata)
} while (rc == -EAGAIN);
for (i = 0; i < wdata->nr_pages; i++) {
- if (rc != 0)
+ if (rc != 0) {
SetPageError(wdata->pages[i]);
+ end_page_writeback(wdata->pages[i]);
+ page_cache_release(wdata->pages[i]);
+ }
unlock_page(wdata->pages[i]);
}
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 4474a57f30ab..54125e04fd0c 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1031,7 +1031,7 @@ static int cifs_parse_security_flavors(char *value,
switch (match_token(value, cifs_secflavor_tokens, args)) {
case Opt_sec_krb5:
- vol->secFlg |= CIFSSEC_MAY_KRB5;
+ vol->secFlg |= CIFSSEC_MAY_KRB5 | CIFSSEC_MAY_SIGN;
break;
case Opt_sec_krb5i:
vol->secFlg |= CIFSSEC_MAY_KRB5 | CIFSSEC_MUST_SIGN;
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index c16d2a018ab8..8c0d85577314 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -43,6 +43,7 @@
#include "cifs_fs_sb.h"
#include "fscache.h"
+
static inline int cifs_convert_flags(unsigned int flags)
{
if ((flags & O_ACCMODE) == O_RDONLY)
@@ -72,10 +73,15 @@ static u32 cifs_posix_convert_flags(unsigned int flags)
else if ((flags & O_ACCMODE) == O_RDWR)
posix_flags = SMB_O_RDWR;
- if (flags & O_CREAT)
+ if (flags & O_CREAT) {
posix_flags |= SMB_O_CREAT;
- if (flags & O_EXCL)
- posix_flags |= SMB_O_EXCL;
+ if (flags & O_EXCL)
+ posix_flags |= SMB_O_EXCL;
+ } else if (flags & O_EXCL)
+ cFYI(1, "Application %s pid %d has incorrectly set O_EXCL flag"
+ "but not O_CREAT on file open. Ignoring O_EXCL",
+ current->comm, current->tgid);
+
if (flags & O_TRUNC)
posix_flags |= SMB_O_TRUNC;
/* be safe and imply O_SYNC for O_DSYNC */