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mtd: ubi: annotate fallthrough

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The UBI code uses an implicit switch/case fallthrough when handling two
related cases of bad header errors. Also there is a switch/case for unit
prefix handling (G/M/K), which accumulates multiplications.

Add our "fallthrough;" statement-like macro before the respective labels
in both cases, to avoid a warning when GCC's -Wimplicit-fallthrough
warning option is enabled.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Andre Przywara 2025-03-27 15:33:07 +00:00 • committed by Tom Rini
parent 960d3d933d
commit 64bc012458
2 changed files with 4 additions and 0 deletions
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1
drivers/mtd/ubi/attach.c
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@ -934,6 +934,7 @@ static int scan_peb(struct ubi_device *ubi, struct ubi_attach_info *ai,
* be a result of power cut during erasure.
*/
ai->maybe_bad_peb_count += 1;
fallthrough;
case UBI_IO_BAD_HDR:
if (ec_err)
/*

3
drivers/mtd/ubi/build.c
View file

@ -1400,12 +1400,15 @@ static int __init bytes_str_to_int(const char *str)
switch (*endp) {
case 'G':
result *= 1024;
fallthrough;
case 'M':
result *= 1024;
fallthrough;
case 'K':
result *= 1024;
if (endp[1] == 'i' && endp[2] == 'B')
endp += 2;
fallthrough;
case '\0':
break;
default: