redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

i2c: octeon: check correct size of maximum RECV_LEN packet 

I2C_SMBUS_BLOCK_MAX defines already the maximum number as defined in the
SMBus 2.0 specs. No reason to add one to it.

Fixes: 886f6f8337 ("i2c: octeon: Support I2C_M_RECV_LEN")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Robert Richter <rric@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
master
Wolfram Sang 2021-01-09 13:43:08 +01:00 committed by Wolfram Sang
parent 2f3a0828d4
commit 1b2cfa2d1d
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/i2c/busses/i2c-octeon-core.c
View File

@ -347,7 +347,7 @@ static int octeon_i2c_read(struct octeon_i2c *i2c, int target,
if (result)
return result;
if (recv_len && i == 0) {
if (data[i] > I2C_SMBUS_BLOCK_MAX + 1)
if (data[i] > I2C_SMBUS_BLOCK_MAX)
return -EPROTO;
length += data[i];
}