[PATCH] staging: lustre: llite: replace variable length array

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The functionality of the removed variable length array is already
implemented by the function xattr_full_name in fs/xattr.c

This fixes the sparse warning:
warning: Variable length array is used.

Signed-off-by: Sven Dziadek <sven.dziadek@xxxxxx>
---
 drivers/staging/lustre/lustre/llite/xattr.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c
index 532384c91447..4fd28213c6a1 100644
--- a/drivers/staging/lustre/lustre/llite/xattr.c
+++ b/drivers/staging/lustre/lustre/llite/xattr.c
@@ -87,7 +87,6 @@ ll_xattr_set_common(const struct xattr_handler *handler,
 		    const char *name, const void *value, size_t size,
 		    int flags)
 {
-	char fullname[strlen(handler->prefix) + strlen(name) + 1];
 	struct ll_sb_info *sbi = ll_i2sbi(inode);
 	struct ptlrpc_request *req = NULL;
 	const char *pv = value;
@@ -141,9 +140,8 @@ ll_xattr_set_common(const struct xattr_handler *handler,
 			return -EPERM;
 	}
 
-	sprintf(fullname, "%s%s\n", handler->prefix, name);
-	rc = md_setxattr(sbi->ll_md_exp, ll_inode2fid(inode),
-			 valid, fullname, pv, size, 0, flags,
+	rc = md_setxattr(sbi->ll_md_exp, ll_inode2fid(inode), valid,
+			 xattr_full_name(handler, name), pv, size, 0, flags,
 			 ll_i2suppgid(inode), &req);
 	if (rc) {
 		if (rc == -EOPNOTSUPP && handler->flags == XATTR_USER_T) {
@@ -364,7 +362,6 @@ static int ll_xattr_get_common(const struct xattr_handler *handler,
 			       struct dentry *dentry, struct inode *inode,
 			       const char *name, void *buffer, size_t size)
 {
-	char fullname[strlen(handler->prefix) + strlen(name) + 1];
 	struct ll_sb_info *sbi = ll_i2sbi(inode);
 #ifdef CONFIG_FS_POSIX_ACL
 	struct ll_inode_info *lli = ll_i2info(inode);
@@ -411,9 +408,8 @@ static int ll_xattr_get_common(const struct xattr_handler *handler,
 	if (handler->flags == XATTR_ACL_DEFAULT_T && !S_ISDIR(inode->i_mode))
 		return -ENODATA;
 #endif
-	sprintf(fullname, "%s%s\n", handler->prefix, name);
-	return ll_xattr_list(inode, fullname, handler->flags, buffer, size,
-			     OBD_MD_FLXATTR);
+	return ll_xattr_list(inode, xattr_full_name(handler, name),
+			     handler->flags, buffer, size, OBD_MD_FLXATTR);
 }
 
 static ssize_t ll_getxattr_lov(struct inode *inode, void *buf, size_t buf_size)
-- 
2.11.0

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