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authorSteve French <sfrench@us.ibm.com>2011-03-01 05:02:57 +0000
committerSteve French <sfrench@us.ibm.com>2011-05-19 14:10:48 +0000
commit34c87901e113799a45423fdac29c7478c889a95d (patch)
tree1398028abbfc10d181f3a3c805c78ebb689d9e70 /fs/cifs/cifsglob.h
parentfd62cb7e7411f1f5ca774145665316d3612fed9a (diff)
Shrink stack space usage in cifs_construct_tcon
We were reserving MAX_USERNAME (now 256) on stack for something which only needs to fit about 24 bytes ie string krb50x + printf version of uid Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifsglob.h')
-rw-r--r--fs/cifs/cifsglob.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 6e211b67b27..108a1e99aa9 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -274,7 +274,8 @@ struct cifsSesInfo {
int capabilities;
char serverName[SERVER_NAME_LEN_WITH_NULL * 2]; /* BB make bigger for
TCP names - will ipv6 and sctp addresses fit? */
- char *user_name;
+ char *user_name; /* must not be null except during init of sess
+ and after mount option parsing we fill it */
char *domainName;
char *password;
struct session_key auth_key;