[PATCH v2] nvme-tcp: fix signedness bug in nvme_tcp_init_connection()

[Keith Busch]

On Wed, Mar 05, 2025 at 06:52:59PM +0300, Dan Carpenter wrote:
> The kernel_recvmsg() function returns an int which could be either
> negative error codes or the number of bytes received.  The problem is
> that the condition:
> 
>         if (ret < sizeof(*icresp)) {
> 
> is type promoted to type unsigned long and negative values are treated
> as high positive values which is success, when they should be treated as
> failure.  Handle invalid positive returns separately from negative
> error codes to avoid this problem.

Thanks, applied to nvme-6.14.

I had v1 applied previously, and it was the top commit in that tree;
force pushed this version to replace it.