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| author | Aditya Pakki <pakki001@umn.edu> | 2019-03-26 00:25:22 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-31 16:46:29 +0300 |
| commit | ee40c8a3efc24d3e40c7e13e6289a3c230d25b86 (patch) | |
| tree | efd4168d3797fd00dc92f9643518099e49a448c3 /drivers/thunderbolt | |
| parent | c8eecd65822044bef7c2bf077bfea980b2de2302 (diff) | |
| download | linux-ee40c8a3efc24d3e40c7e13e6289a3c230d25b86.tar.xz | |
thunderbolt: Fix to check the return value of kmemdup
[ Upstream commit fd21b79e541e4666c938a344f3ad2df74b4f5120 ]
uuid in add_switch is allocted via kmemdup which can fail. The patch
logs the error and cleans up the allocated memory for switch.
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/thunderbolt')
| -rw-r--r-- | drivers/thunderbolt/icm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c index 28fc4ce75edb..8490a1b6b615 100644 --- a/drivers/thunderbolt/icm.c +++ b/drivers/thunderbolt/icm.c @@ -476,6 +476,11 @@ static void add_switch(struct tb_switch *parent_sw, u64 route, goto out; sw->uuid = kmemdup(uuid, sizeof(*uuid), GFP_KERNEL); + if (!sw->uuid) { + tb_sw_warn(sw, "cannot allocate memory for switch\n"); + tb_switch_put(sw); + goto out; + } sw->connection_id = connection_id; sw->connection_key = connection_key; sw->link = link; |