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authorDave Airlie <airlied@redhat.com>2010-05-19 09:35:51 +1000
committerDave Airlie <airlied@redhat.com>2010-05-19 09:35:51 +1000
commit05ea893c46805b2981ea8ba6df881e3d65edd63b (patch)
treeea381e22d99f49bd2c95238f88491d48b797a17b /drivers/firewire/core-iso.c
parent26481fb15644b5fd85d4cea020f74a234cdf6803 (diff)
parenta7c542782e92f9487c62a571565637be3d6b0ffd (diff)
downloadblackbird-obmc-linux-05ea893c46805b2981ea8ba6df881e3d65edd63b.tar.gz
blackbird-obmc-linux-05ea893c46805b2981ea8ba6df881e3d65edd63b.zip
Merge remote branch 'anholt/drm-intel-next' into drm-next
* anholt/drm-intel-next: (515 commits) drm/i915: Fix out of tree builds drm/i915: move fence lru to struct drm_i915_fence_reg drm/i915: don't allow tiling changes on pinned buffers v2 drm/i915: Be extra careful about A/D matching for multifunction SDVO drm/i915: Fix DDC bus selection for multifunction SDVO drm/i915: cleanup mode setting before unmapping registers drm/i915: Make fbc control wrapper functions drm/i915: Wait for the GPU whilst shrinking, if truly desperate. drm/i915: Use spatio-temporal dithering on PCH [MTD] Remove zero-length files mtdbdi.c and internal.ho pata_pcmcia / ide-cs: Fix bad hashes for Transcend and kingston IDs libata: Fix several inaccuracies in developer's guide slub: Fix bad boundary check in init_kmem_cache_nodes() raid6: fix recovery performance regression KEYS: call_sbin_request_key() must write lock keyrings before modifying them KEYS: Use RCU dereference wrappers in keyring key type code KEYS: find_keyring_by_name() can gain access to a freed keyring ALSA: hda: Fix 0 dB for Packard Bell models using Conexant CX20549 (Venice) ALSA: hda - Add quirk for Dell Inspiron 19T using a Conexant CX20582 ALSA: take tu->qlock with irqs disabled ...
Diffstat (limited to 'drivers/firewire/core-iso.c')
-rw-r--r--drivers/firewire/core-iso.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c
index 3784a47865b7..8f5aebfb29df 100644
--- a/drivers/firewire/core-iso.c
+++ b/drivers/firewire/core-iso.c
@@ -190,7 +190,7 @@ static int manage_bandwidth(struct fw_card *card, int irm_id, int generation,
for (try = 0; try < 5; try++) {
new = allocate ? old - bandwidth : old + bandwidth;
if (new < 0 || new > BANDWIDTH_AVAILABLE_INITIAL)
- break;
+ return -EBUSY;
data[0] = cpu_to_be32(old);
data[1] = cpu_to_be32(new);
@@ -218,7 +218,7 @@ static int manage_channel(struct fw_card *card, int irm_id, int generation,
u32 channels_mask, u64 offset, bool allocate, __be32 data[2])
{
__be32 c, all, old;
- int i, retry = 5;
+ int i, ret = -EIO, retry = 5;
old = all = allocate ? cpu_to_be32(~0) : 0;
@@ -226,6 +226,8 @@ static int manage_channel(struct fw_card *card, int irm_id, int generation,
if (!(channels_mask & 1 << i))
continue;
+ ret = -EBUSY;
+
c = cpu_to_be32(1 << (31 - i));
if ((old & c) != (all & c))
continue;
@@ -251,12 +253,16 @@ static int manage_channel(struct fw_card *card, int irm_id, int generation,
/* 1394-1995 IRM, fall through to retry. */
default:
- if (retry--)
+ if (retry) {
+ retry--;
i--;
+ } else {
+ ret = -EIO;
+ }
}
}
- return -EIO;
+ return ret;
}
static void deallocate_channel(struct fw_card *card, int irm_id,
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