From b7e6b2e2a13a23a3ab98be3df1f0424fcf8eabb3 Mon Sep 17 00:00:00 2001 From: Jesper Juhl Date: Sat, 4 Aug 2007 01:25:26 +0200 Subject: [PATCH] --- yaml --- r: 68646 b: refs/heads/master c: 0169b49d52400a6035cd0f2ccd08bcba061a1a9b h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/drivers/mtd/ubi/kapi.c | 9 +++++++-- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/[refs] b/[refs] index c427bc46c7f3..b30592ffccb4 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 8d2d4011f1398d984819c65043abb559c451a3c8 +refs/heads/master: 0169b49d52400a6035cd0f2ccd08bcba061a1a9b diff --git a/trunk/drivers/mtd/ubi/kapi.c b/trunk/drivers/mtd/ubi/kapi.c index 4a458e83e4e9..03c774f41549 100644 --- a/trunk/drivers/mtd/ubi/kapi.c +++ b/trunk/drivers/mtd/ubi/kapi.c @@ -99,16 +99,21 @@ struct ubi_volume_desc *ubi_open_volume(int ubi_num, int vol_id, int mode) { int err; struct ubi_volume_desc *desc; - struct ubi_device *ubi = ubi_devices[ubi_num]; + struct ubi_device *ubi; struct ubi_volume *vol; dbg_msg("open device %d volume %d, mode %d", ubi_num, vol_id, mode); err = -ENODEV; + if (ubi_num < 0) + return ERR_PTR(err); + + ubi = ubi_devices[ubi_num]; + if (!try_module_get(THIS_MODULE)) return ERR_PTR(err); - if (ubi_num < 0 || ubi_num >= UBI_MAX_DEVICES || !ubi) + if (ubi_num >= UBI_MAX_DEVICES || !ubi) goto out_put; err = -EINVAL;