crypto: shash - Fix unaligned calculation with short length
authorYehuda Sadeh <yehuda@hq.newdream.net>
Fri, 27 Mar 2009 05:03:51 +0000 (13:03 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 27 Mar 2009 05:03:51 +0000 (13:03 +0800)
commitf4f689933c63e0fbfba62f2a80efb2b424b139ae
tree6dfaca5c03cd0036df3ab393824fe311ce78855a
parent3341323bb4c198f704cffbfdda37bcec1226ef7d
crypto: shash - Fix unaligned calculation with short length

When the total length is shorter than the calculated number of unaligned bytes, the call to shash->update breaks. For example, calling crc32c on unaligned buffer with length of 1 can result in a system crash.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto/shash.c