The kmalloc() does not have a NULL check. This code can be re-written
slightly cleaner to just use the kstrdup().
Fixes: 265fd1991c1d ("ksmbd: use LOOKUP_BENEATH to prevent the out of share access")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
fs/ksmbd/misc.c | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
diff --git a/fs/ksmbd/misc.c b/fs/ksmbd/misc.c
index 6a19f4bc692d..60e7ac62c917 100644
--- a/fs/ksmbd/misc.c
+++ b/fs/ksmbd/misc.c
@@ -162,17 +162,14 @@ char *convert_to_nt_pathname(char *filename)
{
char *ab_pathname;
- if (strlen(filename) == 0) {
- ab_pathname = kmalloc(2, GFP_KERNEL);
- ab_pathname[0] = '\\';
- ab_pathname[1] = '\0';
- } else {
- ab_pathname = kstrdup(filename, GFP_KERNEL);
- if (!ab_pathname)
- return NULL;
+ if (strlen(filename) == 0)
+ filename = "\\";
- ksmbd_conv_path_to_windows(ab_pathname);
- }
+ ab_pathname = kstrdup(filename, GFP_KERNEL);
+ if (!ab_pathname)
+ return NULL;
+
+ ksmbd_conv_path_to_windows(ab_pathname);
return ab_pathname;
}
--
2.20.1
