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author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2019-04-25 17:19:48 +0300 |
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committer | Wolfram Sang <wsa@the-dreams.de> | 2019-05-03 17:44:51 +0300 |
commit | 5d756112da49af8798620fc788ff4c730c7d5574 (patch) | |
tree | 2b417de7894cf5cfee07a5faf601f895a4a4db05 /drivers/i2c/i2c-core-smbus.c | |
parent | 4db61c2a16fce2ef85d82751de4ba43a39347cfb (diff) | |
download | linux-5d756112da49af8798620fc788ff4c730c7d5574.tar.xz |
i2c: core: apply 'is_suspended' check for SMBus, too
We checked I2C calls, but not SMBus. Refactor the helper to an inline
function and use it for both, I2C and SMBus.
Fixes: 9ac6cb5fbb17 ("i2c: add suspended flag and accessors for i2c adapters")
Reported-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/i2c-core-smbus.c')
-rw-r--r-- | drivers/i2c/i2c-core-smbus.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core-smbus.c b/drivers/i2c/i2c-core-smbus.c index fdb0fb9fb9aa..788d42f2aad9 100644 --- a/drivers/i2c/i2c-core-smbus.c +++ b/drivers/i2c/i2c-core-smbus.c @@ -555,6 +555,10 @@ s32 __i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr, int try; s32 res; + res = __i2c_check_suspended(adapter); + if (res) + return res; + /* If enabled, the following two tracepoints are conditional on * read_write and protocol. */ |