syscall_fs2: kill redundant itmp

diff --git a/Kernel/syscall_fs2.c b/Kernel/syscall_fs2.c
index c7d154b..71bd7c0 100644 (file)
--- a/Kernel/syscall_fs2.c
+++ b/Kernel/syscall_fs2.c
@@ -431,7 +431,6 @@ arg_t _open(void)
        int8_t uindex;
        int8_t oftindex;
        staticfast inoptr ino;
-       inoptr itmp;
        int16_t perm;
        staticfast inoptr parent;
        char fname[FILENAME_LEN + 1];
@@ -503,18 +502,18 @@ arg_t _open(void)
        }
 
        if (isdevice(ino)) {
-               itmp = ino;
+               inoptr *iptr = &of_tab[oftindex].o_inode;
                /* d_open may block and thus ino may become invalid as may
                   parent (but we don't need it again). It may also be changed
                   by the call to dev_openi */
 
-               if (dev_openi(&itmp, flag) != 0)
+               if (dev_openi(iptr, flag) != 0)
                        goto cantopen;
 
-               /* get the static pointer back */
-               ino = itmp;
                /* May have changed */
-               of_tab[oftindex].o_inode = ino;
+               /* get the static pointer back in case it changed via dev 
+                  usage or just because we blocked */
+               ino = *iptr;
        }
 
        if (trunc && getmode(ino) == F_REG) {