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cmd: ubi.c: skip part command if right partition is already attached

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Attaching a UBI partition may take a while, since scanning the memory is
required.
It thus makes sense to avoid a detach/scan/attach cycle when the right
partition is already attached, and let the calling process call 'detach'
beforehand if it needs it.

This commit checks for the currently attached UBI partition, and skips
reattaching if not needed, showing an information.

Signed-off-by: Alexandre Besnard <alexandre.besnard@softathome.com>
This commit is contained in:
Alexandre Besnard 2022-04-04 17:50:14 +02:00 committed by Tom Rini
parent 72675b063b
commit af298f3dcd
1 changed files with 5 additions and 0 deletions
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5
cmd/ubi.c
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@ -511,6 +511,11 @@ int ubi_part(char *part_name, const char *vid_header_offset)
struct mtd_info *mtd;
int err = 0;
if (ubi && ubi->mtd && !strcmp(ubi->mtd->name, part_name)) {
printf("UBI partition '%s' already selected\n", part_name);
return 0;
}
ubi_detach();
mtd_probe_devices();