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-rw-r--r--drivers/ide/ide-ioctls.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c
index 82f252c3ee6..e246d3d3fbc 100644
--- a/drivers/ide/ide-ioctls.c
+++ b/drivers/ide/ide-ioctls.c
@@ -64,7 +64,8 @@ static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd,
goto out;
}
- id = kmalloc(size, GFP_KERNEL);
+ /* ata_id_to_hd_driveid() relies on 'id' to be fully allocated. */
+ id = kmalloc(ATA_ID_WORDS * 2, GFP_KERNEL);
if (id == NULL) {
rc = -ENOMEM;
goto out;