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b3f95490b9
This adds initial support for kernel 4.14 based on the patches for kernel 4.9. In the configuration I deactivated some of the new possible security features like: CONFIG_REFCOUNT_FULL CONFIG_SLAB_FREELIST_HARDENED CONFIG_SOFTLOCKUP_DETECTOR CONFIG_WARN_ALL_UNSEEDED_RANDOM And these overlay FS options are also deactivated: CONFIG_OVERLAY_FS_INDEX CONFIG_OVERLAY_FS_REDIRECT_DIR I activated this: CONFIG_FORTIFY_SOURCE CONFIG_POSIX_TIMERS CONFIG_SLAB_MERGE_DEFAULT CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED I am not sure if I did the porting correct for the following patches: target/linux/generic/backport-4.14/020-backport_netfilter_rtcache.patch target/linux/generic/hack-4.14/220-gc_sections.patch target/linux/generic/hack-4.14/321-powerpc_crtsavres_prereq.patch target/linux/generic/pending-4.14/305-mips_module_reloc.patch target/linux/generic/pending-4.14/611-netfilter_match_bypass_default_table.patch target/linux/generic/pending-4.14/680-NET-skip-GRO-for-foreign-MAC-addresses.patch Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
68 lines
1.7 KiB
Diff
68 lines
1.7 KiB
Diff
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Subject: [PATCH] mtd: bcm47xxpart: check for bad blocks when calculating offsets
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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---
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--- a/drivers/mtd/parsers/parser_trx.c
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+++ b/drivers/mtd/parsers/parser_trx.c
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@@ -29,6 +29,33 @@ struct trx_header {
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uint32_t offset[3];
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} __packed;
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+/*
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+ * Calculate real end offset (address) for a given amount of data. It checks
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+ * all blocks skipping bad ones.
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+ */
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+static size_t parser_trx_real_offset(struct mtd_info *mtd, size_t bytes)
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+{
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+ size_t real_offset = 0;
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+
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+ if (mtd_block_isbad(mtd, real_offset))
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+ pr_warn("Base offset shouldn't be at bad block");
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+
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+ while (bytes >= mtd->erasesize) {
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+ bytes -= mtd->erasesize;
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+ real_offset += mtd->erasesize;
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+ while (mtd_block_isbad(mtd, real_offset)) {
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+ real_offset += mtd->erasesize;
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+
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+ if (real_offset >= mtd->size)
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+ return real_offset - mtd->erasesize;
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+ }
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+ }
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+
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+ real_offset += bytes;
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+
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+ return real_offset;
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+}
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+
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static const char *parser_trx_data_part_name(struct mtd_info *master,
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size_t offset)
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{
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@@ -83,21 +110,21 @@ static int parser_trx_parse(struct mtd_i
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if (trx.offset[2]) {
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part = &parts[curr_part++];
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part->name = "loader";
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- part->offset = trx.offset[i];
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+ part->offset = parser_trx_real_offset(mtd, trx.offset[i]);
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i++;
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}
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if (trx.offset[i]) {
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part = &parts[curr_part++];
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part->name = "linux";
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- part->offset = trx.offset[i];
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+ part->offset = parser_trx_real_offset(mtd, trx.offset[i]);
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i++;
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}
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if (trx.offset[i]) {
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part = &parts[curr_part++];
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part->name = parser_trx_data_part_name(mtd, trx.offset[i]);
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- part->offset = trx.offset[i];
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+ part->offset = parser_trx_real_offset(mtd, trx.offset[i]);
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i++;
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}
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