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author | Balbir Singh <bsingharora@gmail.com> | 2016-08-10 12:07:50 +1000 |
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committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2016-08-17 13:27:55 +1000 |
commit | 5c4bfc63a0e6ae9d3bb6f6e1bfaa9443c847998a (patch) | |
tree | b4c8bf2094f65733d57ad0c2e104a0b5441dab37 /core/i2c.c | |
parent | 683c50e27319d432176931bebb5aa172606783ac (diff) | |
download | skiboot-5c4bfc63a0e6ae9d3bb6f6e1bfaa9443c847998a.zip skiboot-5c4bfc63a0e6ae9d3bb6f6e1bfaa9443c847998a.tar.gz skiboot-5c4bfc63a0e6ae9d3bb6f6e1bfaa9443c847998a.tar.bz2 |
Use additional checks in skiboot for pointers
The checks validate pointers sent in using
opal_addr_valid() in opal_call API's provided
via the console, cpu, fdt, flash, i2c, interrupts,
nvram, opal-msg, opal, opal-pci, xscom and
cec modules
Signed-off-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'core/i2c.c')
-rw-r--r-- | core/i2c.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -59,6 +59,9 @@ static int opal_i2c_request(uint64_t async_token, uint32_t bus_id, struct i2c_request *req; int rc; + if (!opal_addr_valid(oreq)) + return OPAL_PARAMETER; + if (oreq->flags & OPAL_I2C_ADDR_10) return OPAL_UNSUPPORTED; |