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authorXiongfeng Wang <xiongfeng.wang@linaro.org>2018-01-08 20:22:33 +0800
committerMike Marshall <hubcap@omnibond.com>2018-02-06 16:38:12 -0500
commit6bdfb48dae8e1b98735bf9387557298d17510be9 (patch)
tree4545b9afbade85593da6d259f4225e879419d9b9 /fs/orangefs/namei.c
parent4d0cac7e752cccb9eb30cd0f22438b9506ed51bc (diff)
orangefs: use correct string length
gcc-8 reports fs/orangefs/dcache.c: In function 'orangefs_d_revalidate': ./include/linux/string.h:245:9: warning: '__builtin_strncpy' specified bound 256 equals destination size [-Wstringop-truncation] fs/orangefs/namei.c: In function 'orangefs_rename': ./include/linux/string.h:245:9: warning: '__builtin_strncpy' specified bound 256 equals destination size [-Wstringop-truncation] fs/orangefs/super.c: In function 'orangefs_mount': ./include/linux/string.h:245:9: warning: '__builtin_strncpy' specified bound 256 equals destination size [-Wstringop-truncation] We need one less byte or call strlcpy() to make it a nul-terminated string. Signed-off-by: Xiongfeng Wang <xiongfeng.wang@linaro.org> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
Diffstat (limited to 'fs/orangefs/namei.c')
-rw-r--r--fs/orangefs/namei.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/fs/orangefs/namei.c b/fs/orangefs/namei.c
index c98bba2dbc94..6e3134e6d98a 100644
--- a/fs/orangefs/namei.c
+++ b/fs/orangefs/namei.c
@@ -41,7 +41,7 @@ static int orangefs_create(struct inode *dir,
ORANGEFS_TYPE_METAFILE, mode);
strncpy(new_op->upcall.req.create.d_name,
- dentry->d_name.name, ORANGEFS_NAME_MAX);
+ dentry->d_name.name, ORANGEFS_NAME_MAX - 1);
ret = service_operation(new_op, __func__, get_interruptible_flag(dir));
@@ -142,7 +142,7 @@ static struct dentry *orangefs_lookup(struct inode *dir, struct dentry *dentry,
new_op->upcall.req.lookup.parent_refn = parent->refn;
strncpy(new_op->upcall.req.lookup.d_name, dentry->d_name.name,
- ORANGEFS_NAME_MAX);
+ ORANGEFS_NAME_MAX - 1);
gossip_debug(GOSSIP_NAME_DEBUG,
"%s: doing lookup on %s under %pU,%d\n",
@@ -244,7 +244,7 @@ static int orangefs_unlink(struct inode *dir, struct dentry *dentry)
new_op->upcall.req.remove.parent_refn = parent->refn;
strncpy(new_op->upcall.req.remove.d_name, dentry->d_name.name,
- ORANGEFS_NAME_MAX);
+ ORANGEFS_NAME_MAX - 1);
ret = service_operation(new_op, "orangefs_unlink",
get_interruptible_flag(inode));
@@ -300,8 +300,8 @@ static int orangefs_symlink(struct inode *dir,
strncpy(new_op->upcall.req.sym.entry_name,
dentry->d_name.name,
- ORANGEFS_NAME_MAX);
- strncpy(new_op->upcall.req.sym.target, symname, ORANGEFS_NAME_MAX);
+ ORANGEFS_NAME_MAX - 1);
+ strncpy(new_op->upcall.req.sym.target, symname, ORANGEFS_NAME_MAX - 1);
ret = service_operation(new_op, __func__, get_interruptible_flag(dir));
@@ -372,7 +372,7 @@ static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode
ORANGEFS_TYPE_DIRECTORY, mode);
strncpy(new_op->upcall.req.mkdir.d_name,
- dentry->d_name.name, ORANGEFS_NAME_MAX);
+ dentry->d_name.name, ORANGEFS_NAME_MAX - 1);
ret = service_operation(new_op, __func__, get_interruptible_flag(dir));
@@ -453,10 +453,10 @@ static int orangefs_rename(struct inode *old_dir,
strncpy(new_op->upcall.req.rename.d_old_name,
old_dentry->d_name.name,
- ORANGEFS_NAME_MAX);
+ ORANGEFS_NAME_MAX - 1);
strncpy(new_op->upcall.req.rename.d_new_name,
new_dentry->d_name.name,
- ORANGEFS_NAME_MAX);
+ ORANGEFS_NAME_MAX - 1);
ret = service_operation(new_op,
"orangefs_rename",