From: Dirk Eibach dirk.eibach@gdsys.cc
Since locking flash is horribly broken on some platforms, offer an option to build fw_env tools without locking.
Signed-off-by: Dirk Eibach dirk.eibach@gdsys.cc
---
tools/env/fw_env.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c index 06cf63d..e47232a 100644 --- a/tools/env/fw_env.c +++ b/tools/env/fw_env.c @@ -908,8 +908,10 @@ static int flash_write_buf (int dev, int fd, void *buf, size_t count, return -1; }
+#ifndef NO_MEMLOCK if (mtd_type != MTD_ABSENT) ioctl(fd, MEMLOCK, &erase); +#endif
processed += erasesize; block_seek = 0; @@ -941,7 +943,9 @@ static int flash_flag_obsolete (int dev, int fd, off_t offset) } ioctl (fd, MEMUNLOCK, &erase); rc = write (fd, &obsolete_flag, sizeof (obsolete_flag)); +#ifndef NO_MEMLOCK ioctl (fd, MEMLOCK, &erase); +#endif if (rc < 0) perror ("Could not set obsolete flag");