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Prevent buffer overrun during SMBus Block Read when client responds

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(mmh) with illegal read size.  Patch by Sergey Vlasov <vsu@altlinux.ru>.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1940 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Mark M. Hoffman committed 2003-08-06 03:11:40 +00:00
1 parent 7c3bb9df01
commit 69ef356b2c
1 file changed
+2
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kernel/busses/i2c-viapro.c
+2
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@@ -264,6 +264,8 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
break;
case VT596_BLOCK_DATA:
data->block[0] = inb_p(SMBHSTDAT0);
if (data->block[0] > 32)
data->block[0] = 32;
i = inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */
for (i = 1; i <= data->block[0]; i++)
data->block[i] = inb_p(SMBBLKDAT);