diff options
Diffstat (limited to 'target/linux/ipq806x/patches-5.15/130-6.1-mtd-rawnand-qcom-handle-ret-from-parse-with-codeword.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-5.15/130-6.1-mtd-rawnand-qcom-handle-ret-from-parse-with-codeword.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches-5.15/130-6.1-mtd-rawnand-qcom-handle-ret-from-parse-with-codeword.patch b/target/linux/ipq806x/patches-5.15/130-6.1-mtd-rawnand-qcom-handle-ret-from-parse-with-codeword.patch new file mode 100644 index 0000000000..2e7e6833bb --- /dev/null +++ b/target/linux/ipq806x/patches-5.15/130-6.1-mtd-rawnand-qcom-handle-ret-from-parse-with-codeword.patch @@ -0,0 +1,55 @@ +From 7df140e84a75c89962feef659d686303d3ce75e5 Mon Sep 17 00:00:00 2001 +From: Christian Marangi <ansuelsmth@gmail.com> +Date: Fri, 21 Oct 2022 18:53:04 +0200 +Subject: [PATCH] mtd: rawnand: qcom: handle ret from parse with codeword_fixup + +With use_codeword_fixup enabled, any return from +mtd_device_parse_register gets overwritten. Aside from the clear bug, this +is also problematic as a parser can EPROBE_DEFER and because this is not +correctly handled, the nand is never rescanned later in the bootup +process. + +An example of this problem is when smem requires additional time to be +probed and nandc use qcomsmempart as parser. Parser will return +EPROBE_DEFER but in the current code this ret gets overwritten by +qcom_nand_host_parse_boot_partitions and qcom_nand_host_init_and_register +return 0. + +Correctly handle the return code from mtd_device_parse_register so that +any error from this function is not ignored. + +Fixes: 862bdedd7f4b ("mtd: nand: raw: qcom_nandc: add support for unprotected spare data pages") +Cc: stable@vger.kernel.org # v6.0+ +Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> +Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> +Link: https://lore.kernel.org/linux-mtd/20221021165304.19991-1-ansuelsmth@gmail.com +--- + drivers/mtd/nand/raw/qcom_nandc.c | 12 +++++++----- + 1 file changed, 7 insertions(+), 5 deletions(-) + +--- a/drivers/mtd/nand/raw/qcom_nandc.c ++++ b/drivers/mtd/nand/raw/qcom_nandc.c +@@ -3157,16 +3157,18 @@ static int qcom_nand_host_init_and_regis + + ret = mtd_device_parse_register(mtd, probes, NULL, NULL, 0); + if (ret) +- nand_cleanup(chip); ++ goto err; + + if (nandc->props->use_codeword_fixup) { + ret = qcom_nand_host_parse_boot_partitions(nandc, host, dn); +- if (ret) { +- nand_cleanup(chip); +- return ret; +- } ++ if (ret) ++ goto err; + } + ++ return 0; ++ ++err: ++ nand_cleanup(chip); + return ret; + } + |