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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-10-13 09:34:15 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-10-15 08:56:21 +0200 |
| commit | 7c868bd6944101921d2337d12979588ca7d55c53 (patch) | |
| tree | bea64092e6390731c4d36df0c4dad39cba85e152 /fs/devfs.c | |
| parent | 04d8c2541d427a04875b7ae4a5862ea567f56df0 (diff) | |
| download | barebox-7c868bd6944101921d2337d12979588ca7d55c53.tar.gz barebox-7c868bd6944101921d2337d12979588ca7d55c53.tar.xz | |
fs: devfs: Allow mounting only on /dev/
We have places in the code where we assume that devfs is mounted on
/dev/, so enforce this path to avoid surprises.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'fs/devfs.c')
| -rw-r--r-- | fs/devfs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/devfs.c b/fs/devfs.c index c6db25cb14..5c96682f96 100644 --- a/fs/devfs.c +++ b/fs/devfs.c @@ -228,6 +228,13 @@ static int devfs_stat(struct device_d *_dev, const char *filename, struct stat * static int devfs_probe(struct device_d *dev) { + struct fs_device_d *fsdev = dev_to_fs_device(dev); + + if (strcmp(fsdev->path, "/dev")) { + dev_err(dev, "devfs can only be mounted on /dev/\n"); + return -EINVAL; + } + return 0; } |