Commit 809ae1e8 authored by Andrey Filippov's avatar Andrey Filippov
Browse files

debugging exif, added packed attribute to structures

parent cbe1a44b

src/drivers/elphel/exif393.c

+9 −4
Original line number Original line Diff line number Diff line
@@ -501,7 +501,7 @@ loff_t exif_lseek (struct file * file, loff_t offset, int orig) { 
	int p=(int)file->private_data;

	int p=(int)file->private_data;

	int thissize=minor_file_size(p);

	int thissize=minor_file_size(p);

	int maxsize=minor_max_size(p);

	int maxsize=minor_max_size(p);

//    int fp;

    int fp;

    dev_dbg(g_devfp_ptr,"exif_lseek, minor=%d, offset = 0x%llx, orig=%d\n",p,offset,orig);

    dev_dbg(g_devfp_ptr,"exif_lseek, minor=%d, offset = 0x%llx, orig=%d\n",p,offset,orig);

	//   int sensor_port;

	//   int sensor_port;

	switch (orig) {

	switch (orig) {
@@ -548,7 +548,9 @@ loff_t exif_lseek (struct file * file, loff_t offset, int orig) { 
			case DEV393_MINOR(DEV393_EXIF_META1):

			case DEV393_MINOR(DEV393_EXIF_META1):

			case DEV393_MINOR(DEV393_EXIF_META2):

			case DEV393_MINOR(DEV393_EXIF_META2):

			case DEV393_MINOR(DEV393_EXIF_META3):

			case DEV393_MINOR(DEV393_EXIF_META3):

				file->f_pos=offset*sizeof(struct exif_dir_table_t);

                fp= dir_find_tag (offset);

                if (fp < 0) return -EOVERFLOW; // tag is not in the directory

                file->f_pos=fp;

				break;

				break;

            case DEV393_MINOR(DEV393_EXIF_METADIR):

            case DEV393_MINOR(DEV393_EXIF_METADIR):

                file->f_pos=offset*sizeof(struct exif_dir_table_t);

                file->f_pos=offset*sizeof(struct exif_dir_table_t);
@@ -602,8 +604,11 @@ ssize_t exif_write (struct file * file, const char * buf, size_t count, loff 
	char tmp[MAX_EXIF_SIZE]; //! Or is it possible to disable IRQ while copy_from_user()?

	char tmp[MAX_EXIF_SIZE]; //! Or is it possible to disable IRQ while copy_from_user()?

	unsigned long flags;

	unsigned long flags;

	int disabled_err=0;

	int disabled_err=0;

    dev_dbg(g_devfp_ptr,"minor=0x%x\n", p);



	if ((*off+count)>maxsize) {

	if ((*off+count)>maxsize) {

	    dev_warn(g_devfp_ptr,"%s:%d: Data (0x%x) does not fit into 0x%x bytes\n",__FILE__,__LINE__, (int) (*off+count), maxsize);

//	    dev_warn(g_devfp_ptr,"%s:%d: Data (0x%x) does not fit into 0x%x bytes\n",__FILE__,__LINE__, (int) (*off+count), maxsize);

        dev_dbg(g_devfp_ptr,"Data (0x%x) does not fit into 0x%x bytes, minor = 0x%x\n",(int) (*off+count), maxsize, p);

		return -EOVERFLOW;

		return -EOVERFLOW;

	}

	}

	switch (p) {

	switch (p) {