openwrt/target/linux/generic/pending-3.18/040-mtd-bcm47xxpart-backports-from-3.19.patch
John Crispin 74d00a8c38 kernel: split patches folder up into backport, pending and hack folders
* properly format/comment all patches
* merge debloat patches
* merge Kconfig patches
* merge swconfig patches
* merge hotplug patches
* drop 200-fix_localversion.patch - upstream
* drop 222-arm_zimage_none.patch - unused
* drop 252-mv_cesa_depends.patch - no longer required
* drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused
* drop 661-fq_codel_keep_dropped_stats.patch - outdated
* drop 702-phy_add_aneg_done_function.patch - upstream
* drop 840-rtc7301.patch - unused
* drop 841-rtc_pt7c4338.patch - upstream
* drop 921-use_preinit_as_init.patch - unused
* drop spio-gpio-old and gpio-mmc - unused

Signed-off-by: John Crispin <john@phrozen.org>
2017-08-05 08:46:36 +02:00

51 lines
1.4 KiB
Diff

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