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author | Dave Kleikamp <dave.kleikamp@oracle.com> | 2014-03-14 10:42:01 -0500 |
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committer | Ben Hutchings <ben@decadent.org.uk> | 2014-04-30 16:23:18 +0100 |
commit | b2d56d0f73e93d78a9983d1c4dc512a68f63ab98 (patch) | |
tree | 1a843e547ba01ab2c80503a255f776c8cf9fb5f0 /net/ipv6 | |
parent | 8a937060cba9bbea7a2679dbe09679dc9bdaacfe (diff) | |
download | kernel_samsung_smdk4412-b2d56d0f73e93d78a9983d1c4dc512a68f63ab98.zip kernel_samsung_smdk4412-b2d56d0f73e93d78a9983d1c4dc512a68f63ab98.tar.gz kernel_samsung_smdk4412-b2d56d0f73e93d78a9983d1c4dc512a68f63ab98.tar.bz2 |
sparc64: don't treat 64-bit syscall return codes as 32-bit
[ Upstream commit 1535bd8adbdedd60a0ee62e28fd5225d66434371 ]
When checking a system call return code for an error,
linux_sparc_syscall was sign-extending the lower 32-bit value and
comparing it to -ERESTART_RESTARTBLOCK. lseek can return valid return
codes whose lower 32-bits alone would indicate a failure (such as 4G-1).
Use the whole 64-bit value to check for errors. Only the 32-bit path
should sign extend the lower 32-bit value.
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Acked-by: Bob Picco <bob.picco@oracle.com>
Acked-by: Allen Pais <allen.pais@oracle.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'net/ipv6')
0 files changed, 0 insertions, 0 deletions