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51 lines
1.4 KiB
51 lines
1.4 KiB
10 years ago
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--- a/drivers/mtd/bcm47xxpart.c
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+++ b/drivers/mtd/bcm47xxpart.c
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@@ -15,8 +15,12 @@
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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-/* 10 parts were found on sflash on Netgear WNDR4500 */
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-#define BCM47XXPART_MAX_PARTS 12
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+/*
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+ * NAND flash on Netgear R6250 was verified to contain 15 partitions.
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+ * This will result in allocating too big array for some old devices, but the
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+ * memory will be freed soon anyway (see mtd_device_parse_register).
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+ */
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+#define BCM47XXPART_MAX_PARTS 20
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/*
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* Amount of bytes we read when analyzing each block of flash memory.
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@@ -168,18 +172,26 @@ static int bcm47xxpart_parse(struct mtd_
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i++;
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}
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- bcm47xxpart_add_part(&parts[curr_part++], "linux",
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- offset + trx->offset[i], 0);
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- i++;
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+ if (trx->offset[i]) {
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+ bcm47xxpart_add_part(&parts[curr_part++],
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+ "linux",
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+ offset + trx->offset[i],
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+ 0);
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+ i++;
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+ }
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/*
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* Pure rootfs size is known and can be calculated as:
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* trx->length - trx->offset[i]. We don't fill it as
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* we want to have jffs2 (overlay) in the same mtd.
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*/
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- bcm47xxpart_add_part(&parts[curr_part++], "rootfs",
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- offset + trx->offset[i], 0);
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- i++;
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+ if (trx->offset[i]) {
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+ bcm47xxpart_add_part(&parts[curr_part++],
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+ "rootfs",
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+ offset + trx->offset[i],
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+ 0);
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+ i++;
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+ }
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last_trx_part = curr_part - 1;
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