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authorJakub Kicinski <kuba@kernel.org>2021-08-13 06:41:22 -0700
committerJakub Kicinski <kuba@kernel.org>2021-08-13 06:41:22 -0700
commitf4083a752a3b7dc2076432129c8469d02c25318e (patch)
tree6518d6c858a630508466906e30683d60bbef9748 /drivers/base
parentb769cf44ed55f4b277b89cf53df6092f0c9082d0 (diff)
parentf8e6dfc64f6135d1b6c5215c14cd30b9b60a0008 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts: drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h 9e26680733d5 ("bnxt_en: Update firmware call to retrieve TX PTP timestamp") 9e518f25802c ("bnxt_en: 1PPS functions to configure TSIO pins") 099fdeda659d ("bnxt_en: Event handler for PPS events") kernel/bpf/helpers.c include/linux/bpf-cgroup.h a2baf4e8bb0f ("bpf: Fix potentially incorrect results with bpf_get_local_storage()") c7603cfa04e7 ("bpf: Add ambient BPF runtime context stored in current") drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c 5957cc557dc5 ("net/mlx5: Set all field of mlx5_irq before inserting it to the xarray") 2d0b41a37679 ("net/mlx5: Refcount mlx5_irq with integer") MAINTAINERS 7b637cd52f02 ("MAINTAINERS: fix Microchip CAN BUS Analyzer Tool entry typo") 7d901a1e878a ("net: phy: add Maxlinear GPY115/21x/24x driver") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/dd.c4
-rw-r--r--drivers/base/firmware_loader/fallback.c14
-rw-r--r--drivers/base/firmware_loader/firmware.h10
-rw-r--r--drivers/base/firmware_loader/main.c2
4 files changed, 21 insertions, 9 deletions
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index daeb9b5763ae..437cd61343b2 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -653,8 +653,6 @@ dev_groups_failed:
else if (drv->remove)
drv->remove(dev);
probe_failed:
- kfree(dev->dma_range_map);
- dev->dma_range_map = NULL;
if (dev->bus)
blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
BUS_NOTIFY_DRIVER_NOT_BOUND, dev);
@@ -662,6 +660,8 @@ pinctrl_bind_failed:
device_links_no_driver(dev);
devres_release_all(dev);
arch_teardown_dma_ops(dev);
+ kfree(dev->dma_range_map);
+ dev->dma_range_map = NULL;
driver_sysfs_remove(dev);
dev->driver = NULL;
dev_set_drvdata(dev, NULL);
diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c
index 91899d185e31..d7d63c1aa993 100644
--- a/drivers/base/firmware_loader/fallback.c
+++ b/drivers/base/firmware_loader/fallback.c
@@ -89,12 +89,11 @@ static void __fw_load_abort(struct fw_priv *fw_priv)
{
/*
* There is a small window in which user can write to 'loading'
- * between loading done and disappearance of 'loading'
+ * between loading done/aborted and disappearance of 'loading'
*/
- if (fw_sysfs_done(fw_priv))
+ if (fw_state_is_aborted(fw_priv) || fw_sysfs_done(fw_priv))
return;
- list_del_init(&fw_priv->pending_list);
fw_state_aborted(fw_priv);
}
@@ -280,7 +279,6 @@ static ssize_t firmware_loading_store(struct device *dev,
* Same logic as fw_load_abort, only the DONE bit
* is ignored and we set ABORT only on failure.
*/
- list_del_init(&fw_priv->pending_list);
if (rc) {
fw_state_aborted(fw_priv);
written = rc;
@@ -513,6 +511,11 @@ static int fw_load_sysfs_fallback(struct fw_sysfs *fw_sysfs, long timeout)
}
mutex_lock(&fw_lock);
+ if (fw_state_is_aborted(fw_priv)) {
+ mutex_unlock(&fw_lock);
+ retval = -EINTR;
+ goto out;
+ }
list_add(&fw_priv->pending_list, &pending_fw_head);
mutex_unlock(&fw_lock);
@@ -535,11 +538,10 @@ static int fw_load_sysfs_fallback(struct fw_sysfs *fw_sysfs, long timeout)
if (fw_state_is_aborted(fw_priv)) {
if (retval == -ERESTARTSYS)
retval = -EINTR;
- else
- retval = -EAGAIN;
} else if (fw_priv->is_paged_buf && !fw_priv->data)
retval = -ENOMEM;
+out:
device_del(f_dev);
err_put_dev:
put_device(f_dev);
diff --git a/drivers/base/firmware_loader/firmware.h b/drivers/base/firmware_loader/firmware.h
index 63bd29fdcb9c..a3014e9e2c85 100644
--- a/drivers/base/firmware_loader/firmware.h
+++ b/drivers/base/firmware_loader/firmware.h
@@ -117,8 +117,16 @@ static inline void __fw_state_set(struct fw_priv *fw_priv,
WRITE_ONCE(fw_st->status, status);
- if (status == FW_STATUS_DONE || status == FW_STATUS_ABORTED)
+ if (status == FW_STATUS_DONE || status == FW_STATUS_ABORTED) {
+#ifdef CONFIG_FW_LOADER_USER_HELPER
+ /*
+ * Doing this here ensures that the fw_priv is deleted from
+ * the pending list in all abort/done paths.
+ */
+ list_del_init(&fw_priv->pending_list);
+#endif
complete_all(&fw_st->completion);
+ }
}
static inline void fw_state_aborted(struct fw_priv *fw_priv)
diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c
index 4fdb8219cd08..68c549d71230 100644
--- a/drivers/base/firmware_loader/main.c
+++ b/drivers/base/firmware_loader/main.c
@@ -783,8 +783,10 @@ static void fw_abort_batch_reqs(struct firmware *fw)
return;
fw_priv = fw->priv;
+ mutex_lock(&fw_lock);
if (!fw_state_is_aborted(fw_priv))
fw_state_aborted(fw_priv);
+ mutex_unlock(&fw_lock);
}
/* called from request_firmware() and request_firmware_work_func() */