diff options
| -rw-r--r-- | hw/goldfish_nand.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/hw/goldfish_nand.c b/hw/goldfish_nand.c index 49d575a..31e814b 100644 --- a/hw/goldfish_nand.c +++ b/hw/goldfish_nand.c @@ -795,7 +795,18 @@ void nand_add_dev(const char *arg) } if(rwfilename) { - rwfd = open(rwfilename, O_BINARY | (read_only ? O_RDONLY : O_RDWR)); + if (initfilename) { + /* Overwrite with content of the 'initfilename'. */ + if (read_only) { + /* Cannot be readonly when initializing the device from another file. */ + XLOG("incompatible read only option is requested while initializing %.*s from %s\n", + devname_len, devname, initfilename); + exit(1); + } + rwfd = open(rwfilename, O_BINARY | O_TRUNC | O_RDWR); + } else { + rwfd = open(rwfilename, O_BINARY | (read_only ? O_RDONLY : O_RDWR)); + } if(rwfd < 0) { XLOG("could not open file %s, %s\n", rwfilename, strerror(errno)); exit(1); |