diff options
| author | Imran Khan <kimran@codeaurora.org> | 2016-03-31 18:01:06 +0530 |
|---|---|---|
| committer | Jeevan Shriram <jshriram@codeaurora.org> | 2016-04-19 19:43:56 -0700 |
| commit | 83842ac1d65a3d1a35e91ad891929ac6f831db8f (patch) | |
| tree | e5bb714288b18bcbe0fbe20eb4b3d1e2dd5587f2 | |
| parent | 5daf1be1ad3060e777993ddcc8c2b17e69383cbb (diff) | |
lib: do_strncpy_from_user: Fix return error code for get_user failures
If byte wise copy fails here, we should return EFAULT. Returning a value
other than that would cause failure of some of the user-space test cases.
CRs-Fixed: 989314
Change-Id: I38ce12d44f25dc89bdd29e8abacd8777f0a8b9a1
Signed-off-by: Imran Khan <kimran@codeaurora.org>
| -rw-r--r-- | lib/strncpy_from_user.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c index 9d2683b521ae..2e03567e1e6b 100644 --- a/lib/strncpy_from_user.c +++ b/lib/strncpy_from_user.c @@ -44,7 +44,7 @@ static inline long do_strncpy_from_user(char *dst, const char __user *src, long ret = __get_user(c, src + res); if (ret) - return -ret; + return -EFAULT; dst[res] = c; if (!c) return res; |