diff options
Diffstat (limited to 'nuttx/drivers/ramdisk.c')
| -rw-r--r-- | nuttx/drivers/ramdisk.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/nuttx/drivers/ramdisk.c b/nuttx/drivers/ramdisk.c index b3f9916bc..bfa0618d6 100644 --- a/nuttx/drivers/ramdisk.c +++ b/nuttx/drivers/ramdisk.c @@ -148,10 +148,12 @@ static ssize_t rd_read(FAR struct inode *inode, unsigned char *buffer, { struct rd_struct_s *dev; - fvdbg("sector: %d nsectors: %d sectorsize: %d\n"); - DEBUGASSERT(inode && inode->i_private); dev = (struct rd_struct_s *)inode->i_private; + + fvdbg("sector: %d nsectors: %d sectorsize: %d\n", + start_sector, dev->rd_sectsize, nsectors); + if (start_sector < dev->rd_nsectors && start_sector + nsectors <= dev->rd_nsectors) { @@ -180,10 +182,12 @@ static ssize_t rd_write(FAR struct inode *inode, const unsigned char *buffer, { struct rd_struct_s *dev; - fvdbg("sector: %d nsectors: %d sectorsize: %d\n"); - DEBUGASSERT(inode && inode->i_private); dev = (struct rd_struct_s *)inode->i_private; + + fvdbg("sector: %d nsectors: %d sectorsize: %d\n", + start_sector, dev->rd_sectsize, nsectors); + if (!dev->rd_writeenabled) { return -EACCES; |