Lines Matching refs:buff
554 char *buff;
564 buff = memdup_user_nul(buf, count);
565 if (IS_ERR(buff))
566 return PTR_ERR(buff);
568 ret = kstrtoull(buff, 0, &value);
590 kfree(buff);
729 char *buff;
745 buff = memdup_user(buf, count);
746 if (IS_ERR(buff))
747 return PTR_ERR(buff);
749 total_written = i2c_write(ppd, target, i2c_addr, offset, buff, count);
760 kfree(buff);
783 char *buff;
799 buff = kmalloc(count, GFP_KERNEL);
800 if (!buff)
803 total_read = i2c_read(ppd, target, i2c_addr, offset, buff, count);
811 ret = copy_to_user(buf, buff, total_read);
820 kfree(buff);
843 char *buff;
852 buff = memdup_user(buf, count);
853 if (IS_ERR(buff))
854 return PTR_ERR(buff);
856 total_written = qsfp_write(ppd, target, *ppos, buff, count);
867 kfree(buff);
890 char *buff;
901 buff = kmalloc(count, GFP_KERNEL);
902 if (!buff) {
907 total_read = qsfp_read(ppd, target, *ppos, buff, count);
915 ret = copy_to_user(buf, buff, total_read);
924 kfree(buff);