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authorChristoph Hellwig <hch@lst.de>2023-06-22 18:06:44 +0300
committerJens Axboe <axboe@kernel.dk>2023-06-22 18:09:33 +0300
commit648fa60fa7de3ca6f6303e1721591ad73def9cf0 (patch)
treea65dd38d39087ccaa6876cf260f0a49a9a5a2592 /block/early-lookup.c
parent8270cb10c0681d52fce508f827dfa1688d3acc3a (diff)
downloadlinux-648fa60fa7de3ca6f6303e1721591ad73def9cf0.tar.xz
block: don't return -EINVAL for not found names in devt_from_devname
When we didn't find a device and didn't guess it might be a partition, it might still show up later, so don't disable rootwait for it by returning -EINVAL. Fixes: 079caa35f786 ("init: clear root_wait on all invalid root= strings") Reported-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20230622150644.600327-1-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/early-lookup.c')
-rw-r--r--block/early-lookup.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/early-lookup.c b/block/early-lookup.c
index 91002b19d09c..3effbd0d35e9 100644
--- a/block/early-lookup.c
+++ b/block/early-lookup.c
@@ -175,7 +175,7 @@ static int __init devt_from_devname(const char *name, dev_t *devt)
while (p > s && isdigit(p[-1]))
p--;
if (p == s || !*p || *p == '0')
- return -EINVAL;
+ return -ENODEV;
/* try disk name without <part number> */
part = simple_strtoul(p, NULL, 10);
@@ -186,7 +186,7 @@ static int __init devt_from_devname(const char *name, dev_t *devt)
/* try disk name without p<part number> */
if (p < s + 2 || !isdigit(p[-2]) || p[-1] != 'p')
- return -EINVAL;
+ return -ENODEV;
p[-1] = '\0';
*devt = blk_lookup_devt(s, part);
if (*devt)