bb51193acd
A few UBI messages lacks the trailing newline character which leads to ugly lines in the bootlog like this: [ 6.649159] UBI error: no valid UBI magic found inside mtd6[ 6.667751] Freeing unused kernel memory: 2196K Add a newline character to the end of the messages to fix it. After the fix the line from above looks better in the log: [ 6.609182] UBI error: no valid UBI magic found inside mtd6 [ 6.627599] Freeing unused kernel memory: 2132K Signed-off-by: Gabor Juhos <juhosg@freemail.hu>
51 lines
1.1 KiB
Diff
51 lines
1.1 KiB
Diff
--- a/drivers/mtd/ubi/attach.c
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+++ b/drivers/mtd/ubi/attach.c
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@@ -803,6 +803,13 @@ out_unlock:
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return err;
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}
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+static bool ec_hdr_has_eof(struct ubi_ec_hdr *ech)
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+{
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+ return ech->padding1[0] == 'E' &&
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+ ech->padding1[1] == 'O' &&
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+ ech->padding1[2] == 'F';
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+}
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+
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/**
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* scan_peb - scan and process UBI headers of a PEB.
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* @ubi: UBI device description object
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@@ -833,9 +840,21 @@ static int scan_peb(struct ubi_device *u
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return 0;
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}
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- err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0);
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- if (err < 0)
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- return err;
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+ if (!ai->eof_found) {
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+ err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0);
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+ if (err < 0)
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+ return err;
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+
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+ if (ec_hdr_has_eof(ech)) {
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+ pr_notice("UBI: EOF marker found, PEBs from %d will be erased\n",
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+ pnum);
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+ ai->eof_found = true;
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+ }
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+ }
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+
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+ if (ai->eof_found)
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+ err = UBI_IO_FF_BITFLIPS;
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+
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switch (err) {
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case 0:
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break;
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--- a/drivers/mtd/ubi/ubi.h
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+++ b/drivers/mtd/ubi/ubi.h
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@@ -741,6 +741,7 @@ struct ubi_attach_info {
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int mean_ec;
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uint64_t ec_sum;
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int ec_count;
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+ bool eof_found;
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struct kmem_cache *aeb_slab_cache;
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};
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