diff options
| author | David S. Miller <davem@davemloft.net> | 2008-11-18 23:38:23 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-18 23:38:23 -0800 |
| commit | 198d6ba4d7f48c94f990f4604f0b3d73925e0ded (patch) | |
| tree | 56bbdf8ba2553c23c8099da9344a8f1d1aba97ab /drivers/mfd/wm8350-i2c.c | |
| parent | 9a57f7fabd383920585ed8b74eacd117c6551f2d (diff) | |
| parent | 7f0f598a0069d1ab072375965a4b69137233169c (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/isdn/i4l/isdn_net.c
fs/cifs/connect.c
Diffstat (limited to 'drivers/mfd/wm8350-i2c.c')
| -rw-r--r-- | drivers/mfd/wm8350-i2c.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c index 8dfe21bb3bd1..3e0ce0e50ea2 100644 --- a/drivers/mfd/wm8350-i2c.c +++ b/drivers/mfd/wm8350-i2c.c @@ -30,7 +30,12 @@ static int wm8350_i2c_read_device(struct wm8350 *wm8350, char reg, ret = i2c_master_send(wm8350->i2c_client, ®, 1); if (ret < 0) return ret; - return i2c_master_recv(wm8350->i2c_client, dest, bytes); + ret = i2c_master_recv(wm8350->i2c_client, dest, bytes); + if (ret < 0) + return ret; + if (ret != bytes) + return -EIO; + return 0; } static int wm8350_i2c_write_device(struct wm8350 *wm8350, char reg, @@ -38,13 +43,19 @@ static int wm8350_i2c_write_device(struct wm8350 *wm8350, char reg, { /* we add 1 byte for device register */ u8 msg[(WM8350_MAX_REGISTER << 1) + 1]; + int ret; if (bytes > ((WM8350_MAX_REGISTER << 1) + 1)) return -EINVAL; msg[0] = reg; memcpy(&msg[1], src, bytes); - return i2c_master_send(wm8350->i2c_client, msg, bytes + 1); + ret = i2c_master_send(wm8350->i2c_client, msg, bytes + 1); + if (ret < 0) + return ret; + if (ret != bytes + 1) + return -EIO; + return 0; } static int wm8350_i2c_probe(struct i2c_client *i2c, |