This is a note to let you know that I've just added the patch titled
Crypto: chelsio - Fixes a hang issue during driver registration
to the 5.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
crypto-chelsio-fixes-a-hang-issue-during-driver-registration.patch
and it can be found in the queue-5.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ad59ddd02de26271b89564962e74d689f1a30b49 Mon Sep 17 00:00:00 2001
From: Ayush Sawal <ayush.sawal@xxxxxxxxxxx>
Date: Mon, 30 Mar 2020 20:48:52 +0530
Subject: Crypto: chelsio - Fixes a hang issue during driver registration
From: Ayush Sawal <ayush.sawal@xxxxxxxxxxx>
commit ad59ddd02de26271b89564962e74d689f1a30b49 upstream.
This issue occurs only when multiadapters are present. Hang
happens because assign_chcr_device returns u_ctx pointer of
adapter which is not yet initialized as for this adapter cxgb_up
is not been called yet.
The last_dev pointer is used to determine u_ctx pointer and it
is initialized two times in chcr_uld_add in chcr_dev_add respectively.
The fix here is don't initialize the last_dev pointer during
chcr_uld_add. Only assign to value to it when the adapter's
initialization is completed i.e in chcr_dev_add.
Fixes: fef4912b66d62 ("crypto: chelsio - Handle PCI shutdown event").
Signed-off-by: Ayush Sawal <ayush.sawal@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/crypto/chelsio/chcr_core.c | 2 --
1 file changed, 2 deletions(-)
--- a/drivers/crypto/chelsio/chcr_core.c
+++ b/drivers/crypto/chelsio/chcr_core.c
@@ -125,8 +125,6 @@ static void chcr_dev_init(struct uld_ctx
atomic_set(&dev->inflight, 0);
mutex_lock(&drv_data.drv_mutex);
list_add_tail(&u_ctx->entry, &drv_data.inact_dev);
- if (!drv_data.last_dev)
- drv_data.last_dev = u_ctx;
mutex_unlock(&drv_data.drv_mutex);
}
Patches currently in stable-queue which might be from ayush.sawal@xxxxxxxxxxx are
queue-5.6/crypto-chelsio-fixes-a-hang-issue-during-driver-registration.patch
