Fix error handling in fuse chmod, chown, setxattr, removexattr

src/fuse_chmod.cpp

@@ -37,14 +37,14 @@ _chmod_loop_core(const std::string &basepath_,
                  const mode_t       mode_,
                  PolicyRV          *prv_)
 {
+  int rv;
   fs::path fullpath;
 
   fullpath = basepath_ / fusepath_;
 
-  errno = 0;
-  fs::lchmod(fullpath,mode_);
+  rv = fs::lchmod(fullpath,mode_);
 
-  prv_->insert(errno,basepath_);
+  prv_->insert(rv,basepath_);
 }
 
 static

src/fuse_chown.cpp

@@ -38,14 +38,14 @@ _chown_loop_core(const fs::path &basepath_,
                  const gid_t     gid_,
                  PolicyRV       *prv_)
 {
+  int rv;
   fs::path fullpath;
 
   fullpath = basepath_ / fusepath_;
 
-  errno = 0;
-  fs::lchown(fullpath,uid_,gid_);
+  rv = fs::lchown(fullpath,uid_,gid_);
 
-  prv_->insert(errno,basepath_);
+  prv_->insert(rv,basepath_);
 }
 
 static

src/fuse_removexattr.cpp

@@ -36,14 +36,14 @@ _removexattr_loop_core(const fs::path &basepath_,
                        const char     *attrname_,
                        PolicyRV       *prv_)
 {
+  int rv;
   fs::path fullpath;
 
   fullpath = basepath_ / fusepath_;
 
-  errno = 0;
-  fs::lremovexattr(fullpath,attrname_);
+  rv = fs::lremovexattr(fullpath,attrname_);
 
-  prv_->insert(errno,basepath_);
+  prv_->insert(rv,basepath_);
 }
 
 static

src/fuse_setxattr.cpp

@@ -110,14 +110,14 @@ _setxattr_loop_core(const fs::path &basepath_,
                     const int       flags_,
                     PolicyRV       *prv_)
 {
+  int rv;
   fs::path fullpath;
 
   fullpath = basepath_ / fusepath_;
 
-  errno = 0;
-  fs::lsetxattr(fullpath,attrname_,attrval_,attrvalsize_,flags_);
+  rv = fs::lsetxattr(fullpath,attrname_,attrval_,attrvalsize_,flags_);
 
-  prv_->insert(errno,basepath_);
+  prv_->insert(rv,basepath_);
 }
 
 static