diff mbox series

[v1] fs:smb:server:Fix unsigned compared with less than zero

Message ID 20230614122808.1350-1-machel@vivo.com (mailing list archive)
State New, archived
Headers show
Series [v1] fs:smb:server:Fix unsigned compared with less than zero | expand

Commit Message

Wang Ming June 14, 2023, 12:27 p.m. UTC
The return value of the ksmbd_vfs_getcasexattr() is long.
However, the return value is being assigned to an unsignef
long variable 'v_len',so making 'v_len' to long.

silence the warning:
./fs/smb/server/vfs.c:433:6-11:WARNING: Unsigned expression compared
with zero: v_len > 0

Signed-off-by: Wang Ming <machel@vivo.com>
---
 fs/smb/server/vfs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--
2.25.1

Comments

Namjae Jeon June 15, 2023, 6:01 a.m. UTC | #1
2023-06-14 21:27 GMT+09:00, Wang Ming <machel@vivo.com>:
> The return value of the ksmbd_vfs_getcasexattr() is long.
> However, the return value is being assigned to an unsignef
> long variable 'v_len',so making 'v_len' to long.
>
> silence the warning:
> ./fs/smb/server/vfs.c:433:6-11:WARNING: Unsigned expression compared
> with zero: v_len > 0
>
> Signed-off-by: Wang Ming <machel@vivo.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>

Thanks!
Namjae Jeon June 16, 2023, 6:31 a.m. UTC | #2
2023-06-15 15:01 GMT+09:00, Namjae Jeon <linkinjeon@kernel.org>:
> 2023-06-14 21:27 GMT+09:00, Wang Ming <machel@vivo.com>:
>> The return value of the ksmbd_vfs_getcasexattr() is long.
>> However, the return value is being assigned to an unsignef
>> long variable 'v_len',so making 'v_len' to long.
>>
>> silence the warning:
>> ./fs/smb/server/vfs.c:433:6-11:WARNING: Unsigned expression compared
>> with zero: v_len > 0
>>
>> Signed-off-by: Wang Ming <machel@vivo.com>
> Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Hi Wang,

Your patch seems to be corrupted.

ERROR: patch seems to be corrupt (line wrapped?)
#107: FILE: fs/smb/server/vfs.c:399:
, char *buf, loff_t *pos,

WARNING: please, no spaces at the start of a line
#112: FILE: fs/smb/server/vfs.c:403:
+       size_t size;$

WARNING: please, no spaces at the start of a line
#113: FILE: fs/smb/server/vfs.c:404:
+       ssize_t v_len;$

WARNING: please, no spaces at the start of a line
#123: FILE: fs/smb/server/vfs.c:421:
+       if (v_len < 0) {$

WARNING: suspect code indent for conditional statements (7, 15)
#123: FILE: fs/smb/server/vfs.c:421:
+       if (v_len < 0) {
                pr_err("not found stream in xattr : %zd\n", v_len);

total: 1 errors, 4 warnings, 19 lines checked

Can you send the patch using git send-email or attach the patch file
on this mail ?
>
> Thanks!
>
diff mbox series

Patch

diff --git a/fs/smb/server/vfs.c b/fs/smb/server/vfs.c
index 23eb1da4b..77909b298 100644
--- a/fs/smb/server/vfs.c
+++ b/fs/smb/server/vfs.c
@@ -400,7 +400,8 @@  static int ksmbd_vfs_stream_write(struct ksmbd_file *fp, char *buf, loff_t *pos,
 {
        char *stream_buf = NULL, *wbuf;
        struct mnt_idmap *idmap = file_mnt_idmap(fp->filp);
-       size_t size, v_len;
+       size_t size;
+       ssize_t v_len;
        int err = 0;

        ksmbd_debug(VFS, "write stream data pos : %llu, count : %zd\n",
@@ -417,7 +418,7 @@  static int ksmbd_vfs_stream_write(struct ksmbd_file *fp, char *buf, loff_t *pos,
                                       fp->stream.name,
                                       fp->stream.size,
                                       &stream_buf);
-       if ((int)v_len < 0) {
+       if (v_len < 0) {
                pr_err("not found stream in xattr : %zd\n", v_len);
                err = (int)v_len;
                goto out;