getname() can return an error when for example the input path is an empty string. Check the getname() return value in open() before further using it.
Signed-off-by: Sascha Hauer <[email protected]> --- fs/fs.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/fs/fs.c b/fs/fs.c index 2eaf7eaa37..f4baba81e7 100644 --- a/fs/fs.c +++ b/fs/fs.c @@ -2368,8 +2368,14 @@ int open(const char *pathname, int flags, ...) struct dentry *dentry = NULL; struct nameidata nd; const char *s; + struct filename *filename; + + filename = getname(pathname); + if (IS_ERR(filename)) + return PTR_ERR(filename); + + set_nameidata(&nd, AT_FDCWD, filename); - set_nameidata(&nd, AT_FDCWD, getname(pathname)); s = path_init(&nd, LOOKUP_FOLLOW); while (1) { -- 2.29.2 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
