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authorChristoph Hellwig <hch@lst.de>2023-05-31 14:55:25 +0200
committerJens Axboe <axboe@kernel.dk>2023-06-05 10:57:40 -0600
commit079caa35f7863cd9958b4555ae873ea4d352a502 (patch)
tree1cdf0870c9f47cd8819efd938b09ec000d29b9c5 /init/do_mounts.c
parentcf056a43121559d3642419917d405c3237ded90a (diff)
init: clear root_wait on all invalid root= strings
Instead of only clearing root_wait in devt_from_partuuid when the UUID format was invalid, do that in parse_root_device for all strings that failed to parse. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20230531125535.676098-15-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'init/do_mounts.c')
-rw-r--r--init/do_mounts.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/init/do_mounts.c b/init/do_mounts.c
index f1953aeb3219..0b36a5f39ee8 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -112,14 +112,14 @@ static int devt_from_partuuid(const char *uuid_str, dev_t *devt)
/* Explicitly fail on poor PARTUUID syntax. */
if (sscanf(slash + 1, "PARTNROFF=%d%c", &offset, &c) != 1)
- goto clear_root_wait;
+ goto out_invalid;
cmp.len = slash - uuid_str;
} else {
cmp.len = strlen(uuid_str);
}
if (!cmp.len)
- goto clear_root_wait;
+ goto out_invalid;
dev = class_find_device(&block_class, NULL, &cmp, &match_dev_by_uuid);
if (!dev)
@@ -139,12 +139,9 @@ static int devt_from_partuuid(const char *uuid_str, dev_t *devt)
put_device(dev);
return 0;
-clear_root_wait:
+out_invalid:
pr_err("VFS: PARTUUID= is invalid.\n"
"Expected PARTUUID=<valid-uuid-id>[/PARTNROFF=%%d]\n");
- if (root_wait)
- pr_err("Disabling rootwait; root= is invalid.\n");
- root_wait = 0;
return -EINVAL;
}
@@ -611,6 +608,7 @@ static void __init wait_for_root(char *root_device_name)
static dev_t __init parse_root_device(char *root_device_name)
{
+ int error;
dev_t dev;
if (!strncmp(root_device_name, "mtd", 3) ||
@@ -623,8 +621,14 @@ static dev_t __init parse_root_device(char *root_device_name)
if (strcmp(root_device_name, "/dev/ram") == 0)
return Root_RAM0;
- if (early_lookup_bdev(root_device_name, &dev))
+ error = early_lookup_bdev(root_device_name, &dev);
+ if (error) {
+ if (error == -EINVAL && root_wait) {
+ pr_err("Disabling rootwait; root= is invalid.\n");
+ root_wait = 0;
+ }
return 0;
+ }
return dev;
}