tracing/kprobes: Add probe handler dispatcher to support perf and ftrace concurrent use

[~andy/linux] / drivers / ide / ide-tape.c

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 013dc595fab63754b391b33a7efd6b3e287167c3..bc5fb12b913c365da7610365c2167b7a7820e4de 100644 (file)
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -1064,6 +1064,7 @@ static int idetape_blkdev_ioctl(ide_drive_t *drive, unsigned int cmd,
                tape->best_dsc_rw_freq = config.dsc_rw_frequency;
                break;
        case 0x0350:
+               memset(&config, 0, sizeof(config));
                config.dsc_rw_frequency = (int) tape->best_dsc_rw_freq;
                config.nr_stages = 1;
                if (copy_to_user(argp, &config, sizeof(config)))