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authorAndre Przywara <andre.przywara@arm.com>2025-03-27 15:33:07 +0000
committerTom Rini <trini@konsulko.com>2025-04-08 16:23:51 -0600
commit64bc0124581b49093f5c348f5debe8889a56fedd (patch)
tree560ddb8ba00b2a9addfb056ebf8864353bab86a0
parent960d3d933dbda88aed6d4fcf0711dbc7448ffd83 (diff)
mtd: ubi: annotate fallthrough
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>
-rw-r--r--drivers/mtd/ubi/attach.c1
-rw-r--r--drivers/mtd/ubi/build.c3
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c
index 2ef8fde3d32..306da509ec4 100644
--- a/drivers/mtd/ubi/attach.c
+++ b/drivers/mtd/ubi/attach.c
@@ -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)
/*
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 104537784ab..50e43928af0 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -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: