The patch titled
drivers/misc/hmc6352.c: fix wrong return value checking for i2c_master_recv()
has been removed from the -mm tree. Its filename was
drivers-misc-hmc6352c-fix-wrong-return-value-checking-for-i2c_master_recv.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: drivers/misc/hmc6352.c: fix wrong return value checking for i2c_master_recv()
From: Axel Lin <axel.lin@xxxxxxxxx>
i2c_master_recv() returns negative errno, or else the number of bytes
read. Thus i2c_master_recv(client, i2c_data, 2) returns 2 instead of 1 in
success case.
[akpm@xxxxxxxxxxxxxxxxxxxx: make `ret' signed]
Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
Cc: Kalhan Trisal <kalhan.trisal@xxxxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/misc/hmc6352.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN drivers/misc/hmc6352.c~drivers-misc-hmc6352c-fix-wrong-return-value-checking-for-i2c_master_recv drivers/misc/hmc6352.c
--- a/drivers/misc/hmc6352.c~drivers-misc-hmc6352c-fix-wrong-return-value-checking-for-i2c_master_recv
+++ a/drivers/misc/hmc6352.c
@@ -75,7 +75,7 @@ static ssize_t compass_heading_data_show
{
struct i2c_client *client = to_i2c_client(dev);
unsigned char i2c_data[2];
- unsigned int ret;
+ int ret;
mutex_lock(&compass_mutex);
ret = compass_command(client, 'A');
@@ -86,7 +86,7 @@ static ssize_t compass_heading_data_show
msleep(10); /* sending 'A' cmd we need to wait for 7-10 millisecs */
ret = i2c_master_recv(client, i2c_data, 2);
mutex_unlock(&compass_mutex);
- if (ret != 1) {
+ if (ret < 0) {
dev_warn(dev, "i2c read data cmd failed\n");
return ret;
}
_
Patches currently in -mm which might be from axel.lin@xxxxxxxxx are
origin.patch
linux-next.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
