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Date: Tue, 13 Mar 2018 16:52:07 +0000 (UTC)
From: Kalle Valo <>
To: "Tobin C. Harding" <>
Cc: "Tobin C. Harding" <>,,,,, Tycho Andersen <>,
 Kees Cook <>
Subject: Re: [RESEND] rsi: Remove stack VLA usage

"Tobin C. Harding" <> wrote:

> The kernel would like to have all stack VLA usage removed[1].  rsi uses
> a VLA based on 'blksize'.  Elsewhere in the SDIO code maximum block size
> is defined using a magic number.  We can use a pre-processor defined
> constant and declare the array to maximum size.  We add a check before
> accessing the array in case of programmer error.
> [1]:
> Signed-off-by: Tobin C. Harding <>

There were conflicts. Can you rebase on top of wireless-drivers-next and
resend, please?

Recorded preimage for 'drivers/net/wireless/rsi/rsi_91x_sdio.c'
error: Failed to merge in the changes.
Applying: rsi: Remove stack VLA usage
Using index info to reconstruct a base tree...
M	drivers/net/wireless/rsi/rsi_91x_hal.c
M	drivers/net/wireless/rsi/rsi_91x_sdio.c
Falling back to patching base and 3-way merge...
Auto-merging drivers/net/wireless/rsi/rsi_91x_sdio.c
CONFLICT (content): Merge conflict in drivers/net/wireless/rsi/rsi_91x_sdio.c
Auto-merging drivers/net/wireless/rsi/rsi_91x_hal.c
Patch failed at 0001 rsi: Remove stack VLA usage
The copy of the patch that failed is found in: .git/rebase-apply/patch

Patch set to Changes Requested.


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