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a51359aafd
Introduced with Linux 6.7, in commit:
5c2f7727d437 ("mtd: mtdpart: check for subpartitions parsing result"),
when a parser returns an error, this will be passed up, and
consequently, all parent mtd partitions get torn down.
Adjust the mtdsplit_uimage driver to only return an error if there is a
critical problem in reading from the mtd device or allocating memory.
Otherwise return 0 to indicate that no partitions were found.
Also add logging to indicate what went wrong.
E.g. on Realtek devices that are booted for the first time through
initramfs with OpenWrt never installed before boot log will show
[ 0.975518] Creating 7 MTD partitions on "spi0.0":
[ 0.981062] 0x000000000000-0x0000000e0000 : "u-boot"
[ 1.041320] 0x0000000e0000-0x0000000f0000 : "u-boot-env"
[ 1.060683] 0x0000000f0000-0x000000100000 : "u-boot-env2"
[ 1.080992] 0x000000100000-0x000000200000 : "jffs2-cfg"
[ 1.100988] 0x000000200000-0x000000300000 : "jffs2-log"
[ 1.120599] 0x000000300000-0x000000fe0000 : "firmware"
[ 1.157426] mtdsplit_uimage: no rootfs after uImage in "firmware"
[ 1.176456] mtdsplit_uimage: no rootfs after uImage in "firmware"
[ 1.200262] 0x000000fe0000-0x000001000000 : "log"
Similar issues were fixed before with commit
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|---|---|---|
| .. | ||
| Kconfig | ||
| Makefile | ||
| mtdsplit_bcm63xx.c | ||
| mtdsplit_bcm_wfi.c | ||
| mtdsplit_brnimage.c | ||
| mtdsplit_cfe_bootfs.c | ||
| mtdsplit_elf.c | ||
| mtdsplit_eva.c | ||
| mtdsplit_fit.c | ||
| mtdsplit_h3c_vfs.c | ||
| mtdsplit_jimage.c | ||
| mtdsplit_lzma.c | ||
| mtdsplit_minor.c | ||
| mtdsplit_seama.c | ||
| mtdsplit_seil.c | ||
| mtdsplit_squashfs.c | ||
| mtdsplit_tplink.c | ||
| mtdsplit_trx.c | ||
| mtdsplit_uimage.c | ||
| mtdsplit_wrgg.c | ||
| mtdsplit.c | ||
| mtdsplit.h | ||