From: Felix Gu Date: Sat, 9 May 2026 17:55:37 +0000 (+0800) Subject: spi: mtk-snfi: Fix resource leak in mtk_snand_read_page_cache() X-Git-Tag: v6.12.92~40 X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=b1e0945d03dbf99ae1df5d98d250bc3cbcbebcf1;p=thirdparty%2Fkernel%2Fstable.git spi: mtk-snfi: Fix resource leak in mtk_snand_read_page_cache() [ Upstream commit 496ba79b9496b8b3747cbc764ebd33ee7325e806 ] When DMA read times out in mtk_snand_read_page_cache(), the original code erroneously jumped to cleanup label which skips DMA unmapping and ECC disable, causing a resource leak. Fixes: 764f1b748164 ("spi: add driver for MTK SPI NAND Flash Interface") Signed-off-by: Felix Gu Link: https://patch.msgid.link/20260510-snfi-v1-1-bc375cf1af8e@gmail.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- diff --git a/drivers/spi/spi-mtk-snfi.c b/drivers/spi/spi-mtk-snfi.c index 8234064921f3..20260f577f05 100644 --- a/drivers/spi/spi-mtk-snfi.c +++ b/drivers/spi/spi-mtk-snfi.c @@ -961,7 +961,7 @@ static int mtk_snand_read_page_cache(struct mtk_snand *snf, &snf->op_done, usecs_to_jiffies(SNFI_POLL_INTERVAL))) { dev_err(snf->dev, "DMA timed out for reading from cache.\n"); ret = -ETIMEDOUT; - goto cleanup; + goto cleanup2; } // Wait for BUS_SEC_CNTR returning expected value