[PATCH 01/14] d_path: "\0" is {0,0}, not {0}
From: Al Viro <viro@zeniv.linux.org.uk>
Date: 2021-05-19 00:51:05
Also in:
linux-fsdevel, linux-s390, lkml
Subsystem:
filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
Single-element array consisting of one NUL is spelled ""... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> --- fs/d_path.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/d_path.c b/fs/d_path.c
index 270d62133996..01df5dfa1f88 100644
--- a/fs/d_path.c
+++ b/fs/d_path.c@@ -184,7 +184,7 @@ char *__d_path(const struct path *path, char *res = buf + buflen; int error; - prepend(&res, &buflen, "\0", 1); + prepend(&res, &buflen, "", 1); error = prepend_path(path, root, &res, &buflen); if (error < 0)
@@ -201,7 +201,7 @@ char *d_absolute_path(const struct path *path, char *res = buf + buflen; int error; - prepend(&res, &buflen, "\0", 1); + prepend(&res, &buflen, "", 1); error = prepend_path(path, &root, &res, &buflen); if (error > 1)
@@ -218,7 +218,7 @@ static int path_with_deleted(const struct path *path, const struct path *root, char **buf, int *buflen) { - prepend(buf, buflen, "\0", 1); + prepend(buf, buflen, "", 1); if (d_unlinked(path->dentry)) { int error = prepend(buf, buflen, " (deleted)", 10); if (error)
@@ -341,7 +341,7 @@ static char *__dentry_path(const struct dentry *d, char *buf, int buflen) dentry = d; end = buf + buflen; len = buflen; - prepend(&end, &len, "\0", 1); + prepend(&end, &len, "", 1); /* Get '/' right */ retval = end-1; *retval = '/';
@@ -444,7 +444,7 @@ SYSCALL_DEFINE2(getcwd, char __user *, buf, unsigned long, size) char *cwd = page + PATH_MAX; int buflen = PATH_MAX; - prepend(&cwd, &buflen, "\0", 1); + prepend(&cwd, &buflen, "", 1); error = prepend_path(&pwd, &root, &cwd, &buflen); rcu_read_unlock();
--
2.11.0