From 285ecb7d9e1b2401c2eccca4d0f26615f4d651eb Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Sat, 30 May 2026 12:29:07 +0200
Subject: [PATCH] Revert "gpib: cb7210: Fix region leak when request_irq fails"
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This reverts commit 5ad28496055858166eb2268344c8fda2c26d3561.

Turns out not to be correct.

Link: https://lore.kernel.org/r/PpNUbGhrvT8I_KayoDvQYI2PYjmMw1QEkuVBDZz2PwBsVVgPkBXJarc2mBM0IhiH3AQG0GtgqEsDRXNj3yUKEDBaZa25u73pAjvcE6vfRsg=@protonmail.com
Reported-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Hongling Zeng <zhongling0719@126.com>
Cc: Hongling Zeng <zenghongling@kylinos.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpib/cb7210/cb7210.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpib/cb7210/cb7210.c b/drivers/gpib/cb7210/cb7210.c
index 05058bf2cd50..6dd8637c5964 100644
--- a/drivers/gpib/cb7210/cb7210.c
+++ b/drivers/gpib/cb7210/cb7210.c
@@ -1062,7 +1062,6 @@ static int cb_isa_attach(struct gpib_board *board, const struct gpib_board_confi
 	// install interrupt handler
 	if (request_irq(config->ibirq, cb7210_interrupt, isr_flags, DRV_NAME, board)) {
 		dev_err(board->gpib_dev, "failed to obtain IRQ %d\n", config->ibirq);
-		release_region(nec7210_iobase(cb_priv), cb7210_iosize);
 		return -EBUSY;
 	}
 	cb_priv->irq = config->ibirq;