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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 09:11:28 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 09:11:28 -0800
commit51b736b85155a56543fda8aeca5f8592795d7983 (patch)
tree937c8be978bf66084128cd62fca3e94fa50c3f36 /drivers
parenta8aa1ebdf880ebe7b5738ccebf67e18d62cbdc0b (diff)
parent66ae291978177d5c012015f12b8fbc76dc7d0965 (diff)
Merge branch 'for-2.6.33' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.33' of git://git.kernel.dk/linux-2.6-block: cfq: set workload as expired if it doesn't have any slice left Fix a CFQ crash in "for-2.6.33" branch of block tree cfq: Remove wait_request flag when idle time is being deleted cfq-iosched: commenting non-obvious initialization cfq-iosched: Take care of corner cases of group losing share due to deletion cfq-iosched: Get rid of cfqq wait_busy_done flag cfq: Optimization for close cooperating queue searching block,xd: Delay allocation of DMA buffers until device is known drbd: Following the hmac change to SHASH (see linux commit 8bd1209cfff) cfq-iosched: reduce write depth only if sync was delayed
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/drbd/drbd_nl.c3
-rw-r--r--drivers/block/xd.c30
2 files changed, 20 insertions, 13 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 436a090b532..4e0726aa53b 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1271,8 +1271,7 @@ static int drbd_nl_net_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
goto fail;
}
- if (crypto_tfm_alg_type(crypto_hash_tfm(tfm))
- != CRYPTO_ALG_TYPE_HASH) {
+ if (crypto_tfm_alg_type(crypto_hash_tfm(tfm)) != CRYPTO_ALG_TYPE_SHASH) {
retcode = ERR_AUTH_ALG_ND;
goto fail;
}
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index 0877d3628fd..d1fd032e751 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -169,13 +169,6 @@ static int __init xd_init(void)
init_timer (&xd_watchdog_int); xd_watchdog_int.function = xd_watchdog;
- if (!xd_dma_buffer)
- xd_dma_buffer = (char *)xd_dma_mem_alloc(xd_maxsectors * 0x200);
- if (!xd_dma_buffer) {
- printk(KERN_ERR "xd: Out of memory.\n");
- return -ENOMEM;
- }
-
err = -EBUSY;
if (register_blkdev(XT_DISK_MAJOR, "xd"))
goto out1;
@@ -202,6 +195,19 @@ static int __init xd_init(void)
xd_drives,xd_drives == 1 ? "" : "s",xd_irq,xd_dma);
}
+ /*
+ * With the drive detected, xd_maxsectors should now be known.
+ * If xd_maxsectors is 0, nothing was detected and we fall through
+ * to return -ENODEV
+ */
+ if (!xd_dma_buffer && xd_maxsectors) {
+ xd_dma_buffer = (char *)xd_dma_mem_alloc(xd_maxsectors * 0x200);
+ if (!xd_dma_buffer) {
+ printk(KERN_ERR "xd: Out of memory.\n");
+ goto out3;
+ }
+ }
+
err = -ENODEV;
if (!xd_drives)
goto out3;
@@ -249,15 +255,17 @@ out4:
for (i = 0; i < xd_drives; i++)
put_disk(xd_gendisk[i]);
out3:
- release_region(xd_iobase,4);
+ if (xd_maxsectors)
+ release_region(xd_iobase,4);
+
+ if (xd_dma_buffer)
+ xd_dma_mem_free((unsigned long)xd_dma_buffer,
+ xd_maxsectors * 0x200);
out2:
blk_cleanup_queue(xd_queue);
out1a:
unregister_blkdev(XT_DISK_MAJOR, "xd");
out1:
- if (xd_dma_buffer)
- xd_dma_mem_free((unsigned long)xd_dma_buffer,
- xd_maxsectors * 0x200);
return err;
Enomem:
err = -ENOMEM;