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f791fb4af4
Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
27 lines
696 B
Diff
27 lines
696 B
Diff
--- a/drivers/mtd/mtdcore.c
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+++ b/drivers/mtd/mtdcore.c
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@@ -40,6 +40,7 @@
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#include <linux/slab.h>
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#include <linux/reboot.h>
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#include <linux/leds.h>
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+#include <linux/root_dev.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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@@ -570,6 +571,15 @@ int add_mtd_device(struct mtd_info *mtd)
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of this try_ nonsense, and no bitching about it
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either. :) */
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__module_get(THIS_MODULE);
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+
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+ if (!strcmp(mtd->name, "rootfs") &&
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+ IS_ENABLED(CONFIG_MTD_ROOTFS_ROOT_DEV) &&
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+ ROOT_DEV == 0) {
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+ pr_notice("mtd: device %d (%s) set to be root filesystem\n",
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+ mtd->index, mtd->name);
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+ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, mtd->index);
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+ }
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+
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return 0;
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fail_added:
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